Information about the 7 major plates
PLEASE HELP ITS LITERALLY DUE TOMORROW
I think it was
• what layer of the earth are they in?
• what are they floating on?
• what makes them move?
PLEASE PLEASE PLEASE PLEASE HELP MY PROJECT IS DUE TOMORROW

Answers

Answer 1
What layer of earth are they in?
Lithosphere

What are they floating on?
The asthenosphere (the weaker upper mantle)

What makes them move?
The intense heat from the earths core that causes molten rock in the mantle layer to move. It moves in a pattern called convection cells that forms when warm material rises, falls, and sinks down.

Related Questions

5) The diagram below shows Earth in eight different positions in its orbit around the sun. Around each of Earth’s positions is a dashed circle representing the Moon’s orbit. (Criteria Aii)

• For each of Earth’s positions (1–8), try to draw the Moon in a position on the dashed circle where a lunar eclipse could happen.
• Then, check the boxes (below the diagram) for each position in which a lunar eclipse could happen.

5) The diagram below shows Earth in eight different positions in its orbit around the sun. Around each

Answers

Lunar eclipses occur when the Earth is in the middle between the moon and the sun. The nus lights up the earth, and this last one projects its shadow on the moon. You will find moon positions in the attached files.

What is a lunar eclipse?

A lunar eclipse is a spatial phenomenon that occurs during a full moon when the Earth places between the Sun and the Moon.

At this point, the Sun lights up the Earth, making a shadow on the Moon and giving this last one a reddish or orange appearance.

In the exposed image, we need to draw the moon on a straight line opposite to the sun, and on the other side of the Earth.

To do it, we need to imagine a straight line,

on one extreme of the line it is the sun,on the middle of the line it is the earth,on the other extreme it is the moon.

This is how the sun will light up the Earth, and the planet will project its shadow on the moon.

To see the moon positions, and for a better understanding, look at the attached files.

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5) The diagram below shows Earth in eight different positions in its orbit around the sun. Around each

What are the possible benefits and drawbacks of today's system of
taxation?

Answers

Disadvantages of Taxation:

Putting in place an income tax system is quite difficult, especially when trying to control the wealthy and companies.Wealthy people benefit from tax evasion and dishonest avoidance because they can afford to pay for expensive tax "help." Warren Buffet, the famed investor, has been quoted as saying that it is unjust that his secretary pays 30% in taxes but Buffet only has to pay 17% on his income.Some contend that an earnings tax, regardless of its level, may cause financial hardship for people in the lower middle class and lower social classes. Any reduction, no matter how minor, can cause households that are barely making ends meet to significantly lower their standard of living.

Advantages of Taxation:

The income tax enables progressive taxing based on your income. In terms of percentage, a person making $15,000 a year will pay less than a person making $150,000 a year. This method of wealth distribution works well.The existing arrangement also provides the government with a reliable source of income.An income tax creates a discrepancy between the value of a person’s work and what they actually receive (disposable income).

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What is the general structure and function of epithelial tissue?

Answers

Answer:

Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

okayyy i really need help with thissss

okayyy i really need help with thissss

Answers

Answer:

Explanation:

B since its evolutionary

thiiiiiiiiiiiiiiiiiiiiìs is C

will mark branlist Why is there hatred in the world

Answers

People have different views - there is discrimination, neglection, racism, antisemitism. There are also people against all of the above ( me included) who don’t want to spread hate. It only takes one person brave enough to share their views, good or not, and guaranteed someone will follow them, whether it takes of the ground globally or not at all. So yeah, a group of people who hate starts it all.

reasons why science teachers think practical sciences is a good thing.

rubric
identify reasons 4 marks
explanation and practical example 16 marks ​

Answers

Science teachers consider practical sciences to be a valuable component of science education for several reasons:

Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.

Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.

Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.

Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.

Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.

Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.

Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.

Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.

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Where does translation occur?

a
nucleus
b
golgi
c
ER
d
ribosomes

Answers

Answer: ribosomes

Explanation:

Explain how different links can show a relation between two species. Describe evidence that shows other correlations and causations between the species.

Answers

Different links show relationships between two species. In the scientific world, there are three types of links, including mutualism, parasitism, and commensalism.

Mutualism is a relationship in which both species benefit. Parasitism is where one species benefits, and the other is harmed. Commensalism is a relationship in which one species benefits, and the other is not harmed or helped.One example of a mutualistic relationship is the bee and flower relationship. Bees collect nectar and pollen from flowers for their food, while at the same time, the bee helps in pollination. The bee gets food from the flower, and the flower is pollinated. This is a mutualistic relationship. A parasitic relationship is the relationship between tapeworms and humans. Tapeworms live inside the host and get their food from the host, thereby, causing harm to the host. Evidence that shows correlation and causation between the species includes physical changes in the organism or adaptations to the environment. For example, an animal that feeds on a certain plant may evolve to have a longer tongue to reach the nectar of that plant. In summary, different links show relationships between species, including mutualism, parasitism, and commensalism. The evidence for the correlation and causation between species includes physical changes or adaptations in the organism or environment.

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A hetero gous ail yellow plant is crossed with a homorygous short green. Show the genoype od phenotypes of the Fi offspring and the probability of each.

A hetero gous ail yellow plant is crossed with a homorygous short green. Show the genoype od phenotypes

Answers

The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.

The  genotype and phenotype of the F1 offspring

Genotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.

When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.

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The backbones of DNA and RNA are

A) made of alternating sugars and phosphate groups.

B) very different, made of nucleotides in DNA and amino acids in RNA.

C) identical.

D) made of a chain of base pairs.

Answers

The backbones of DNA and RNA are made of alternating sugars and phosphate groups. So the correct option is A.

How are nucleic acids formed?

Nucleic acids are macromolecules that will be formed by a column of phosphates and sugars, this will give support to the molecules. This type of union is quite stable since they are difficult to break and not any enzyme can break it. Nucleotides are made up of nitrogenous bases, a sugar, and a phosphate group. The phosphate will be a high energy bond.

Nucleic acids will carry information that will be hereditary and they will have the information to be able to produce proteins. These macromolecules will be stored mainly in the nucleus of the cell.

Therefore, we can confirm that the correct option is A. made of alternating sugars and phosphate groups.

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The fossil record is best at preserving visible changes in organisms through geologic time. This visible change is referred to as

Answers

The fossil record is best at preserving visible changes in organisms through geologic time. This visible change is referred to as the evolutionary change.

The importance of fossil record

Fossils are the remains or impressions of a historical organisms which are preserved as a mold or in rocks due to pressure.

Fossil records are information made concerning these historical organisms about:

the structure of the organisms,

what they ate,

what ate them,

in what environment they lived, and

the order in which they lived.

When these rocks are studied, visible changes in organisms through geologic time are observed which is that simple life forms gradually evolved into more complex ones.

Therefore, evolutionary change. is that visible changes noticed in fossil records.

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Please answer the following questions

1. Which component measures the percentage of fat, bone, and muscle in your body?

2. Going for a swim would be an example of which component of fitness?

3. 3 sets of 20 curl-ups would be an example of which component?

4. How many minutes of physical activity should kids under 18 age a day

HELP ASP

Answers

Answer 1: Body composition analysis.

Answer 2: Cardiovascular endurance.

Answer 3: Muscular strength and endurance.

Answer 4: Kids under 18 should get at least 60 minutes of physical activity a day.

Answer:

1. The component that measures the percentage of fat, bone, and muscle in your body is body composition.

2. Going for a swim would be an example of the cardiovascular endurance component of fitness.

3. 3 sets of 20 curl-ups would be an example of the muscular endurance component of fitness.

4. According to the World Health Organization, children and adolescents aged 5-17 years should accumulate at least 60 minutes of moderate to vigorous-intensity physical activity daily.

Whales are thought to have evolved from land animals similar to large otters as evidence of this whales have useless leg bones (structure c) that float inside their bodies these leg bones are _ structures

Answers

Answer: vestigial

Explanation: Vestigial structures are organs or anatomical structures that have been retained during evolution even though they have lost some of their ancestral functions.

What is the relationship between coronary artery disease and a heart attack?

Answers

Answer:

C. Coronary artery disease can reduce blood flow to the heart and cause heart attacks

Explanation:

im pretty sure

Most gastrointestinal infections are treated with
A. Antitoxin
B. Penicillin
C. Water and electrolytes
D. Quinacrine
E. Thorough cooking

Answers

Explanation:

Through water and electrolytes.

Which organisms can reproduce using the process of fragmentation

Answers

Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.

In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.

Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.

Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms,  annelid worms, sponges, and sea stars.

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The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.

Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.

Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.

Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.

Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D

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The Question was Incomplete, Find the full content below :

The organisms which can reproduce by fragmentation are:

(a) Corals and Sponges

(b) Corals and Spirogyra

(c) Sea anemone and Spirogyra

(d) Sponges and Sea anemones.

Which of the following would a prokaryote have?
A. Golgi apparatus
B. Cytoplasm
C. Mitochondria
D. Nucleus

Answers

Answer:

The answer is B)

Explanation:

Prokaryots have cytoplasm

True or false. Since there aren’t enough resources to support all the offspring, individuals have to complete.

Answers

Answer:

True.

Explanation:

If the offspring does not have enough resources they will have to compete for survival.

They will have to compete for the resources.

Hope this is correct, have a great day.

what opposes the sliding motion of two
surfaces that are in contact.

Answers

Answer:

Friction: A force that opposes the motion of objects that touch as they move past each other. Friction acts at the surface where objects are in contact.

Explanation:

The force that acts against your pushing force is called friction. is a force that resists the motion between two surfaces in contact. When you try to slide two surfaces across each other, the force of friction resists the sliding motion.

What does comparative anatomy tell you about the relationship between organisms

Answers

comparing structural similarities of organisms to determine their evolutionary relationships.
It's considered one of the five factors that determine discipline effectiveness. Your temperament influences how strict or permissive you will be with your child. It also plays a role in how much tolerance you'll have for certain behaviors.17 Oct 2019

Explanation:

Your temperament plays a major role in how you parent your child.

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Organic semiconductors are a new technology that scientists are considering for the next generation of solar
panels. Manufacturers want to produce efficient semiconductors at a low cost. Which type of organic
semiconductors would be most desired as a solar panel technology?

Answers

The specific properties of the most desired organic semiconductors for solar panel technology may evolve as advancements are made in the field.

In the context of solar panel technology, the most desired type of organic semiconductors would typically possess the following characteristics:

High Efficiency: The organic semiconductors should have a high power conversion efficiency, meaning they can efficiently convert sunlight into electricity. This is crucial for maximizing the electricity output of solar panels.

Tunable Bandgap: Organic semiconductors with a tunable bandgap would be advantageous. The bandgap determines the range of light wavelengths that can be absorbed by the material. A tunable bandgap allows for optimization to match the solar spectrum, enabling better absorption of sunlight and improved overall efficiency.

Long Operational Lifetime: The organic semiconductors should be stable and exhibit a long operational lifetime. Solar panels are expected to endure outdoor conditions for many years, so the materials used should be resistant to degradation, such as from exposure to UV radiation or moisture.

Scalability and Low Cost: Manufacturers aim to produce organic semiconductors on a large scale at a low cost. Therefore, desirable organic semiconductors should be readily synthesized using cost-effective methods and be compatible with high-volume manufacturing processes.

Environmental Friendliness: Organic semiconductors that are environmentally friendly and have low toxicity are desirable. This is aligned with the goal of sustainable and clean energy technologies.

It is important to note that the field of organic semiconductor research is still evolving, and scientists are continually working to improve the performance and characteristics of these materials.

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What happens during the S (synthesis) phase of interphase?
a. the cell rests before it moves to a level of high activity
b. the cell creates copies of its DNA or genetic material
c. the cell divides into two new cells
d. the nucleus divides in half

Answers

b. the cell creates copies of its DNA or genetic material

During the S (synthesis) phase of interphase, the cell undergoes DNA replication. This means that the cell creates copies of its DNA or genetic material. The DNA in the cell is duplicated to ensure that each daughter cell produced during cell division will receive a complete set of genetic information. This phase is critical for cell division and the transmission of genetic material to offspring cells.

Directions: The suggested time for answering this question is about 22 minutes. Where calculations are required, clearly show how you arrived at your answer. Where explanation or discussion is required, support your answers with relevant information and/or specific examples.

The term “urban sprawl” describes the expansion of cities into rural areas. This phenomenon has occurred around the world and has had economic, health, and environmental consequences.

Describe TWO causes of urban sprawl.

Discuss TWO human health effects associated with urban sprawl.

The graph below shows the relationship between population density and petroleum use in selected cities.

Describe the relationship between population density and petroleum use shown in the graph.


A graph is shown of petroleum use. The y-axis is relative annual per capita petroleum use with no numbers on the axis. The x-axis is density in persons per hectare, which goes from 0 to 300 in increments of 50. A curve is drawn starting at the top of the y-axis and is decreasing and concave up with increasing density. The curve appears to asymptote along the x-axis and is relatively flat by about 200 persons per hectare. There are points that lie close to the curve indicating where particular cities fall. The first four cities at the top of the curve, which are both below 50 persons per hectare, are Houston, Los Angeles, Washington, and New York. Below New York a horizontal line is drawn indicating that the cities about this line are in the United States. Below this line but above the next horizontal line are Melbourne, Sydney, and Toronto, all around 50 persons per hectare. The cities between these horizontal lines are indicated to be in Australia and Canada. Below the second line but above the third line are Paris, London, and Vienna, from about 75 to 150 persons per hectare. The cities between these lines are indicated to be in Europe. Below the third horizontal line but above the x-axis are Tokyo, Moscow, and Hong Kong from about 150 to 275 persons per hectare, and the cities in this area are from East Asia and Russia.


Smart growth focuses on ways to encourage sustainable urban development. Describe TWO steps a municipality could take to encourage smart growth in order to limit urban sprawl.

Highway systems and urban sprawl often threaten wildlife populations. Describe TWO methods to reduce harmful effects on wildlife populations from highways and urban sprawl.

Urban sprawl often results in the loss of productive agricultural land near cities. Describe one practical way to increase food production within urban areas.

Answers

Answer:

Causes of Urban Sprawl:

Population Growth: Rapid population growth is a significant cause of urban sprawl. As cities experience an increase in population, there is a greater demand for housing and infrastructure, leading to the expansion of urban areas into previously rural or undeveloped lands.

Transportation Infrastructure: The development of transportation infrastructure, such as highways and roads, can contribute to urban sprawl. Improved accessibility and connectivity provided by these infrastructures often lead to the outward expansion of cities as people choose to live farther away from city centers.

Human Health Effects Associated with Urban Sprawl:

Sedentary Lifestyle and Obesity: Urban sprawl often leads to increased reliance on private vehicles and longer commuting distances. This sedentary lifestyle, coupled with the lack of pedestrian-friendly infrastructure, can contribute to a decrease in physical activity and an increased risk of obesity among residents.

Air Pollution and Respiratory Issues: Urban sprawl is associated with increased vehicular emissions, leading to poor air quality. Exposure to high levels of air pollution can cause respiratory problems, such as asthma and other respiratory diseases, impacting the health of individuals residing in these areas.

Relationship between Population Density and Petroleum Use:

The graph illustrates that there is an inverse relationship between population density and petroleum use. As population density increases, per capita petroleum use tends to decrease. This relationship suggests that higher population density is associated with more efficient use of petroleum resources, potentially due to factors such as improved public transportation systems, shorter commuting distances, and increased availability of alternative modes of transportation. The graph indicates that cities with higher population density tend to have lower per capita petroleum use, while cities with lower population density exhibit higher per capita petroleum use.

Steps to Encourage Smart Growth and Limit Urban Sprawl:

Mixed-Use Development: Municipalities can encourage mixed-use development, which involves integrating residential, commercial, and recreational spaces within the same area. This approach reduces the need for long commutes and promotes walkability, thereby limiting urban sprawl.

Transit-Oriented Development: Promoting transit-oriented development focuses on creating compact, vibrant communities around public transportation hubs. By providing easy access to public transit options, municipalities can encourage residents to rely less on private vehicles, reducing congestion and the need for expansive road networks.

Methods to Reduce Harmful Effects on Wildlife Populations:

Wildlife Corridors: Establishing wildlife corridors or green belts can mitigate the negative impacts of highways and urban sprawl on wildlife populations. These corridors provide protected pathways for wildlife to move between fragmented habitats, reducing habitat fragmentation and enhancing biodiversity conservation.

Eco-Friendly Infrastructure Design: Implementing wildlife-friendly infrastructure design features such as wildlife crossings, underpasses, and fencing can help prevent wildlife-vehicle collisions. These measures allow animals to safely traverse across highways and urban areas, minimizing the detrimental effects on wildlife populations.

Increasing Food Production within Urban Areas:

One practical way to increase food production within urban areas is through the implementation of urban agriculture initiatives. This can involve utilizing rooftops, balconies, community gardens, and vacant lots to cultivate crops, raise livestock, or engage in aquaculture. Urban agriculture not only increases local food production but also promotes food security, community engagement, and environmental sustainability by reducing the carbon footprint associated with long-distance food transportation.

By adopting smart growth strategies, addressing the impacts of urban sprawl on wildlife and implementing urban agriculture initiatives, municipalities can actively promote sustainable and resilient urban development.

When conducting a population sampling study, on the first capture attempt, we _______ the captured individuals.
A. count the release
B. weigh the release
C. count and keep
D. tag, count, and release

Answers

During population sampling studies, organisms are captured, tagged, counted, and then released. The correct option would be D.

Capture, and recapture method

This is a method of estimating the population size of a particular species of organisms.

Instead of counting the entire individual of a population which could be impossible or extremely time-consuming in most cases, the population size is estimated by randomly capturing, tagging, counting, and then releasing the captured individuals.

The procedure is repeated several times and the data is used to estimate the population size of the organism.

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When conducting a population sampling study, on the first capture attempt, we tag, count, and release the captured individuals. Thus, option "D" is correct.

What is the mark-recapture method?

This is a method commonly used in ecology to estimate the animals in the population. A portion of the population is captured, marked and released. Another part of the population will, later on, be captured. This can be used to estimate the population in an assumption that the portion that was captured is proportional to the entire population. This is obtained by dividing the number of marked individuals by the individual marked on the second capture. This is one of the simplest and most practical methods of estimating the population.

Thus, option "D" is correct.

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A student is writing an essay about coral reefs for science class. The student wants to revise the essay to include a conclusion. Read the draft of the report and complete the task that follows. Coral reefs can be found in tropical waters around the world. They are beautiful rocky mounds that are valuable to many creatures including fish, sea turtles, and humans. Thousands of species of fish, such as parrotfish and clownfish, depend on coral reefs for food and protection. They eat algae and other small plants that grow on the reef. When the fish eat those plants, they help to keep the coral reef healthy. Many fish find safety in the reef when they are able to blend in with the coral to protect themselves from predators. Another animal that relies on coral reefs is the sea turtle. Many sea turtles make their homes around and beneath the reef formations. The sea turtles also use the reefs as protection from a variety of different predators, such as sharks and killer whales. Humans also rely on coral reefs for food and tourism. Foods, such as, clams, crabs, lobsters, scallops and shrimp can be found living in coral reefs. They are part of the diets of people throughout the world. Coral reefs also provide entertainment to millions of visitors to tropical locations each year. People can go snorkeling and scuba diving to see the beautiful reefs and the different animals that call the reefs their homes.

Answers

In conclusion, coral reefs are an invaluable resource to the many creatures that inhabit them, including fish, sea turtles, and humans.

What is resource?

A resource is any physical or virtual asset that can be used to support a business or individual. Examples of resources include money, time, materials, people, knowledge, or technology. Resources can also be intangible, such as data or intellectual property. Depending on the context, resources can be used to generate revenue or to support other activities.

The fish rely on the reef for food and protection, the sea turtles use them for shelter and safety from predators, and humans depend on them for food and tourism. Coral reefs are a vital part of the world's ecosystem and must be protected in order to ensure their continued survival. Without coral reefs, many species of fish, sea turtles, and other animals would be left without a home while people would lose a valuable source of food and entertainment.

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Experiment: Antibiotic sensitivity
There is well understood documentation of the effect of Tetracycline on the microorganism E. col. Scientist have synthesised a new antibiotic and have devised an experiment to see if E. coli is as sensitive to the new antiiotic as it is to the Tetracycline. They soak a sterile disc in tetracycline, another in the new antibiotic, and a third in sterile Dl water. On the bottom of the plate, using a sharple, they divide the plate into three sections. They flipped the plate over and then cover the surface of a nutrient agar (petri dish) with a solution containing E.Coli, In one section of the plate they place the disc soaked in Tetracycline, in the adjacent section they place the disc soaked in new antibiotic, and on the third section they place the disc soaked in Dl water. They oincubate the plates overnight and observe the growth the following day. Effective antibiotics inhibit bacterial growth around the disc. This area is known as the zone of inhibition. The diameter of the zones of inhibition will be measured for each disc and compared. Identify the parts of the experiment.
a. Disc soaked in Tetracycline
b. Diameter of the zone of inhibition
c. Disc soaked in the new antibiotic
d. The discs soaked in their respective solutions
e. Disc soaked in Dl water
1. Independent variable
2. Dependent variable
3. Positive control
4. Negative control
5. Experimental

Answers

The different parts of the experiment to test if E. coli is as sensitive to a new antibiotic as it is to tetracycline would be as follows:

Disc soaked in tetracycline - positive controlDiameter of zone on inhibition - dependent variableDisc soaked in the new antibiotic - experimentalThe discs soaked in their respective solutions - independent variableDiscs soaked in Dl water - negative control

In experiments, positive controls are groups that are given treatments with already established results while negative controls are groups given the placebo but subject to the same experimental conditions.

The experimental groups are those that receive treatment whose outcome is yet to be known or about to be determined.

In this case, tetracycline is already known to have certain effects on E. coli, hence the discs soaked in tetracycline act as the positive control.Dl water produces no effect and hence act as the negative control.The effects that the new antibiotic would have on E. coli is not known yet, hence, it acts as the experimental.

Dependent variables are the actual variables to be measured in the course of experiments while independent variables are those supplied and manipulated by the researcher.

Dependent variables are results of 'effects' of the independent 'causal' variables. Hence, in this case, the supplied variables are the discs soaked in their respective solutions. They cause an effect that is measurable as zone of inhibition, the dependent variable.

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the diagram below shows three different proteins embedded in a cell membrane, as well as the concentration gradient surrounding the cell. Which statements correctly stated the process shown in the diagram

Answers

Protein molecules serve as transporters of molecules across the cell membrane.

Movement of molecules against their concentration gradients is a form of active transport.

What are proteins?

Proteins are organic molecules which are made from amino acids linked together by peptide bonds.

Proteins embedded in the cell membranes serve as transport molecules as well as receptors.

Based on concentration gradients, proteins can function in passive or active transport.

When molecules move in the the direction of concentration gradient, it passive diffusion.When molecules move against the direction of concentration gradient, it passive diffusion.

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i think its c but u go

i think its c but u go

Answers

Answer:

yeah its c most probable answer

Explanation:

Infection by which of the following results in the formation of Ghon complexes? A. Bordetella pertussisB. Corynebacterium diphtheriaeC. Mycobacterium tuberculosisD. Streptococcus pyogenesE. Blastomyces dermatidis

Answers

Mycobacterium tuberculosis, the pathogen that causes TB, also generates a Ghon complex.

What factor does Streptococcus pneumoniae's virulence depend on most?

There is a lot of genetic variation in Streptococcus pneumoniae, and some lineages are more successful than others. The key driver of virulence and immunodominant surface structure of S. pneumoniae, the capsular polysaccharide (CPs), is a significant source of strain-to-strain variation.

Which of the following can cause a tuberculin skin test to be positive?

The PPD test's positive skin reaction might happen in: infection with active TB. prior exposure to TB (latent TB infection) Earlier BCG vaccination (live attenuated mycobacterial strain) infection with different Mycobacteria that do not cause tuberculosis.

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azithromycin is an antibiotic that prevents translation in bacteria so that bacteria cannot replicate and the infection will not get worse. which of the following parts of the cell could be specifically affected by this antibiotic?

Answers

Ribosome of the cell could be specifically affected by this antibiotic. So, the correct option is B.

What is Azithromycin?

Azithromycin is defined as an antibiotic medicine which is used to treat infections that include chest infections such as pneumonia. ear, nose and throat and nose infections such as sinus infections (sinusitis).

Azithromycin is a type of antibiotic that inhibits translation in bacteria so that the bacteria cannot replicate and worsen the infection, this antibiotic can specifically affect the ribosomes of the cell.

Therefore, the correct option is B.

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Your question is incomplete, most probably the complete question is:

Azithromycin is an antibiotic that prevents translation in bacteria so that bacteria cannot replicate and the infection will not get worse. Which of the following parts of the cell could be specifically affected by this antibiotic?

A: mitochondria

B: ribosome

C: nucleus

D: Golgi complex

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