Answer:
Asteroids are rocky worlds revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets. There are millions of asteroids, ranging in size from hundreds of miles to several feet across.
Which statement best explains why this extrusive volcanic rock does not have visible crystals?
A. It is homogeneous and composed of a soft mineral.
B. It does not contain atoms of any Earth minerals.
C. It cooled down before large crystals could form.
D. It wasn’t exposed to friction during its formation.
Answer:
C it cooled before it could harden
During which phase of the cell cycle does the cytoplasm of a cell divide to form two daughter cells?.
Answer:
Cytokinesis
Explanation:
Cytokinesis is the last part of the Miotic phase. This is when the cytoplasm splits apart. A way to remember this is that cytoplasm and cytokinesis both start with "Cyto".
A biologist is in the process of classifying a newly discovered fungus. a The fungus is a decomposer and has saclike
structures. The organism most likely belongs in the same group as which of the following?
O fungi that are rusts
fungi that are associated with bread mold
fungi that makes blue cheese
O fungi that are autotrophic decomposers
Answer:
fungi that makes blue cheese
Explanation:
Penicillium represents a genus of ascomycetous fungi that generate sexual spores referred to as axcospores, which form in sac-like structures named asci. Penicillium roqueforti is a filamentous fungus of this genus that is required for making blue cheese. This mold fungus (P. roqueforti) is a decomposer of organic materials that grows naturally in soils. P. roqueforti produces roquefortine C, a mycotoxin that is used as a starter culture for blue cheese production.
elect all statements that accurately describe the structures or functions of mitochondria. Mitochondria are the sites of aerobic metabolism. Mitochondria have a permeable inner membrane and an impermeable outer membrane. Mitochondria regulate apoptosis. Mitochondrial DNA is packaged with histones. The configuration of mitochondria does not change. Mitochondria are included in the endomembrane system.
Answer:
The correct statements are -
Mitochondria are the sites of aerobic metabolism
Mitochondria regulate apoptosis.
Explanation:
Mitochondria is one of the eukaryotic cell organelles that are double membrane and plays important role in the different function of the cell. The main and major function of the mitochondria is aerobic metabolism that includes aerobic respiration where glucose converts into carbon dioxide and water with releases a high amount of energy in the form of ATP.
These also plays important role in programmed cell death or apoptosis it activates apoptosis by releasing protein by the inner and outer membrane. The inner membrane of mitochondria is impermeable and allows through transporters and outer membrane non-specifically permeable to low molecular substances. Mitochondrial DNA lacks histone protein and TFAM, an HMG-like protein involved in the process.
Which Transportation and Logistics workers most likely earn certifications and licenses?
Freight Inspectors, Cargo Inspectors, Aviation Inspectors
Logisticians, Brownfield Specialists, Logistics Analysts
Laborers, Tank Car Loaders, Ticket Agents
Airline Pilots, Locomotive Engineers, Aircraft Mechanics
Answer:
Airline pilots, Locomotive engineers, and Aircraft Mechanics.
Explanation:
Freight Inspectors, cargo Inspectors, and aviation Inspectors are most likely to earn certifications and licenses. Therefore, the correct statement is option A.
What is the importance of certifications and licenses?Certifications and licenses are important for many transportation and logistics jobs to ensure safety, compliance, and quality control. While many workers in this field have a degree or formal training, certifications, and licenses demonstrate that the specialized skills have been acquired by the necessary individual to perform specific tasks or roles.
Freight inspectors, cargo inspectors, and aviation inspectors are all responsible for the inspection and safety of various types of cargo and transportation equipment, such as airplanes, trucks, and ships.
Freight inspectors, cargo inspectors, and aviation inspectors must need to obtain certifications and licenses related to safety, security, and hazardous materials to perform their duties.
Therefore, freight Inspectors, cargo Inspectors, and aviation Inspectors are most likely to earn certifications and licenses.
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what is the length of our year based upon
this is earth and space science, not biology
Answer the question
What conclusion was Bob able to draw about minerals after reading this chart provided by
his physician?
A. Minerals found in healthy foods help the body to function properly.
B. Minerals are more important to the body than vitamins.
C. A vegetarian diet may be deficient in minerals.
D. Multivitamins are necessary in order to provide the body with minerals.
E. Adults need minerals in their diet more than do children.
Conclusion that Bob was able to draw about minerals after reading the chart provided by his physician : A.) Minerals found in healthy foods help the body to function properly.
How are minerals important for body?Minerals are necessary for building strong bones and teeth, controlling body fluids inside and outside cells and turning the food you eat into energy. Mineral deficiencies can lead to variety of health problems such as weak bones, fatigue, or decreased immune system.
Minerals help maintain acid-base balance to keep body pH neutral and help regulate body processes, such as in enzyme systems. Minerals also function in nerve impulse transmission and muscle contraction.
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what dose the word milestone mean
Answer:
it is a stage in life
Explanation:
because it shows how one has progressed or developed
The changes that occurred in Yellowstone National Park after all of its wolves
were killed showed that wolves are
A. harmful to the ecosystem
B. the only producers in the ecosystem
C. beneficial to the ecosystem
a
D. unnecessary for the survival of other species
Most articles pass right through the atom, this means that most of the atom is
Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
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To move charges there needs to be a motive or
To move charges, there needs to be a motive or a driving force that facilitates the flow of electric charges through a conductor. This motive can be provided by various factors and mechanisms.
One of the primary motives for the movement of charges is the presence of an electric field. An electric field exerts a force on charged particles, causing them to move in a particular direction. This force can be generated by applying a voltage difference across a conductor, creating an electric potential difference. The charges will naturally move from an area of higher potential to an area of lower potential, driven by the electric field.
In addition to electric fields, other motives for charge movement can include electromagnetic induction, where a changing magnetic field induces a current in a conductor, and chemical reactions, such as in batteries or fuel cells, where the conversion of chemical energy into electrical energy creates a motive for charge flow.
Ultimately, the motive for moving charges is provided by the presence of a force or potential difference that can overcome any resistances or obstacles in the conductor, allowing the charges to move and establish an electric current.
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If a bee is flying in a circle at a constant speed Is the bee acceleratiy
Answer:
If a bee is flying in a circle at a constant speed, is the bee accelerating? YES, the bee is accelerating. Because acceleration is the change in velocity per unit of time, and the bee is constantly changing direction, the bee is also constantly changing velocity and is therefore accelerating.
Explanation:
Hope it helps
Answer:
Yes it is accelerating
Explanation:
I don't know if you mean accelerating but yes (In mechanics, acceleration is the rate of change of the velocity of an object with respect to time.)
What might happen if water molecules didn't have a slight negative charge on one end and a slight positive charge on the other?
The polarity of water molecules is crucial to the formation and stability of cell membranes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes .
Water molecules are composed of two hydrogen atoms and one oxygen atom, and they have a slight negative charge on one end and a slight positive charge on the other.
This arrangement is due to the unequal sharing of electrons between the atoms, with the oxygen atom having a stronger pull on the electrons than the hydrogen atoms. This phenomenon is called polarity, and it is crucial to the unique properties of water.
First, water molecules would not be able to form hydrogen bonds with each other, which are crucial for many of water's unique properties. Hydrogen bonds occur between the positive and negative ends of different water molecules and give water its high boiling point, high surface tension, and the ability to dissolve many substances.
Furthermore, the polarity of water molecules is crucial to the formation and stability of cell membranes. The hydrophilic, or water-loving, heads of phospholipids are attracted to the polar water molecules, while the hydrophobic, or water-fearing, tails face away from the water.
In summary, the polarity of water molecules is crucial to many of its unique properties and is essential to many biological processes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes.
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Define deforestation What are some negative and positive effects ( if any ) of deforestation
Deforestation can be defined as the loss of forests due to the impact of human activities or natural causes.
Some of the negative consequences of deforestation are the loss of the habitat of native species in the area that was deforested, this puts the lives of these species at risk.
Another consequence is that deforestation promotes global warming, since forests and jungles help to consume a considerable part of atmospheric CO2, reducing environmental pollution and therefore, the amount of greenhouse gases, also decreasing environmental temperature.
Regarding the positive effects of deforestation, these would be mostly economic, since the wood of the trees works as a raw material for many materials that are currently used. While environmentally the advantages are scarce. An example could be the logging of invasive species in an ecosystem (if they exist). However, deforestation is normally carried out indiscriminately, so it would also affect native species
Which of the following CANNOT be inferred based solely on the diagram shown below? (select all that apply)
Frog
Lizard
Their DNA is over 90% the same.
- They share a common ancestor.
- Both species evolved from an aquatic animal.
- Both of organisms' embryos have gills.
- They live in the same Environment.
Why do we separate the immune system into nonspecific and specific defenses?
Will mark brainliest!!!!!!!!!!
Answer:
to categorize and describe the different ways in which the immune system responds to pathogens and other foreign substances in the body.
Explanation:
Nonspecific defenses, also known as innate or natural defenses, are the first line of defense that the body has against infections. These defenses are present from birth and provide a general, immediate response to a wide range of pathogens, regardless of their specific nature. Examples of nonspecific defenses include physical barriers like the skin, mucous membranes, and cilia in the respiratory tract, as well as chemical defenses such as enzymes, antimicrobial proteins, and inflammatory responses.
On the other hand, specific defenses, also known as adaptive or acquired defenses, are developed by the immune system in response to a particular pathogen. These defenses are highly specialized and tailored to target specific pathogens, and they have the ability to "remember" the pathogen and mount a stronger and more specific response upon re-exposure. Specific defenses are mediated by immune cells such as B cells and T cells, which can recognize and respond to specific antigens, which are unique molecular markers on pathogens.
By categorizing the immune system into nonspecific and specific defenses, we are able to differentiate between the immediate, general responses of the immune system (nonspecific defenses) and the highly specialized, targeted responses that are developed over time (specific defenses) to effectively combat different types of pathogens. This classification helps us understand the complex and dynamic nature of the immune system and how it functions to protect the body from harmful invaders.
Zandile set up the following apparatus to investigate how temperature affects transpiration rate
Zandile found that as the temperature increased, the transpiration rate also increased, leading to increased water loss from the plant. This experiment helped her conclude that temperature directly affects transpiration rates.
Transpiration is the process of water movement through the plants from roots to leaves, and eventually lost by evaporation from the stomata. Various factors, including temperature, humidity, light, and wind, influence the transpiration rate.
Temperature affects transpiration as it affects the diffusion rate of water vapor from the leaves into the surrounding air.
To investigate how temperature affects transpiration rate, Zandile set up an apparatus comprising a potted plant, a beaker, and a thermometer. The plant was selected for the experiment, and its leaves were covered with a plastic bag to prevent any water loss through the leaves' surface.
The apparatus was set up in the following way: The plant was placed in a beaker containing water. The beaker was placed on a heat source, and the temperature was monitored with the help of a thermometer. The plastic bag was tied around the stem to ensure no air entered the plastic bag, making the experiment airtight.
Zandile then increased the temperature by placing the beaker on a heat source. She noted the temperature of the water in the beaker and the temperature inside the plastic bag. She continued to monitor the temperature and the rate of water loss from the plant.
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Which location has the warmer air temperature: Tarapoto or Lima? Why?
view pic below.
Answer:
Taraporta, because its closer to the equator than Lima.
Scientific research shows that our global climate is changing as a result of an increase in greenhouse gases. Ocean temperatures and acidity are increasing, and the global sea level is rising. Which of the following best predicts an outcome of this global climate change in a marine ecosystem?
Many marine species will not be able to adjust quickly enough to survive.
More species will be able to survive due to the less extreme temperatures in the ocean.
Tectonic plate activity will increase and produce warmer ocean temperatures.
The increased acidity will make it more difficult for harmful bacteria to survive.
Many marine species will not be able to adjust quickly enough to survive, is the best predicts an outcome of this global climate change in a marine ecosystem.
What is ecosystem?
Ecosystem is a biological community of interacting organisms and their physical environment. It includes the abiotic factors such as temperature, sunlight, water, soil, rocks, and chemical elements, as well as the biotic components such as plants, animals, and microorganisms. Together, these components interact and support each other to form a functioning unit.
Therefore, Many marine species will not be able to adjust quickly enough to survive, is the best predicts an outcome of this global climate change in a marine ecosystem.
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Answer:
Many marine species will not be able to quickly adjust enough to survive.
Explanation:
Got it right on the biology flvs exam
A student astronomer went outside and made two observations of the Moon that were several days apart. Her observations are shown in the diagram above. The light part of the Moon appeared to get smaller over time. Why did this happen?
Answer:
The light part of the Moon appeared to get smaller over time because of the change in the relative position of the Moon, the Sun, and the Earth. This is known as the lunar phase. The changing appearance of the Moon from the Earth's perspective is caused by the Moon's orbit around the Earth and the position of the Moon and Sun relative to the Earth. The Moon's phases are caused by the angle between the Moon, Earth, and Sun changing, as the Moon orbits the Earth. When the Moon is between the Earth and the Sun, the side facing the Earth is not illuminated by sunlight, so it appears dark, and this is called a new moon. When the Moon is on the opposite side of the Earth from the Sun, the entire side of the Moon facing the Earth is illuminated by sunlight, so it appears full, and this is called a full moon. As the Moon moves in its orbit, the angle between the Sun, Earth, and Moon changes, causing the illuminated portion of the Moon visible from the Earth to change, leading to different lunar phases.
How fast do trees grow
Answer:
The rate at which trees grow varies depending on the species, environment, and other factors. Some trees can grow up to several feet per year, while others grow more slowly.
which is more of a threat to people acid rain or air pollution?
Answer:
A threat to the natural restorative nature of the water cycle is acid rain. Acid rain is caused by certain gas emissions in our atmosphere. Volcanoes release some of these gases naturally.
Explanation:
=)
I need help with 9 and 10
Answer:
9 melting and evaporation
Viruses use the enzymes of the host cell to complete protein synthesis and DNA replication. Why
do they need to complete protein synthesis and DNA replication?
A population of deer is defined by
One of the challenges facing the world today is supplying enough food for the human population. Farming with genetically modified plants is a possible solution to this challenge. What is a concern with using GM plants?
A. Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds.
B. Farming with GM plants requires less land and energy, which may lead to lower food costs and an economic crisis for farmers.
C. GM plants require more insecticide use, which may increase the chance of chemical residues in the food supply.
D. Scientific studies on GM plants are not available so the effects of GM plants are unknown.
Answer:
Option A
Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds.
The graph shows the population growth of a colony of insects over time.
Which statement below best explains what might have occurred to the population of insects at point A?
A
The health of the insects improved, causing the population to stabilize.
B
A predator was introduced, causing a decline in population growth.
C
The population growth decreased as individual insects aged.
D
The population reached a carrying capacity and stabilized.
Answer: The population reached a carrying capacity and stabilized.
Answer:
the population stabilized
Explanation:
because it continues going up, not down
distribution of chlorophyll, stomata, mesophyll cells and vascular bundles support photosynthesis
Yes, the distribution of chlorophyll, stomata, mesophyll cells, and vascular bundles supports photosynthesis.
Let us discuss each separately.
Chlorophyll: It absorbs light energy from the sun, which is essential for photosynthesis. The distribution of chlorophyll within the mesophyll cells ensures that it is positioned optimally to capture sunlight.Mesophyll cells: Mesophyll cells are the main site of photosynthesis in plant leaves. It contains chloroplasts and provides a spongy texture to the leafy surface.Stomata: Stomata are small openings on the surface of leaves that regulate gas exchange, including the uptake of carbon dioxide (CO2) required for photosynthesis and the release of oxygen (O2) produced during photosynthesis. Vascular bundles: Specialized tissues composed of xylem and phloem, responsible for transporting water, minerals, sugars, and other substrates throughout the plant body.To know more, refer to;
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Predict the impact of a severe drought for the Georgia marshland ecosysten. yoyr response needs to includr how a drought will affect the food web.
A severe drought in the Georgia marshland ecosystem would have a significant impact. It would lead to reduced water availability, affecting the marsh plants, invertebrates, fish, and bird populations, disrupting the food web and potentially causing population declines and habitat loss.
One of the primary effects of a drought is the reduction in water availability. The marshland ecosystem relies on a delicate balance of saltwater and freshwater, which supports the unique plant and animal species found there.
With reduced water availability, the water levels in marshes would decline, leading to increased salinity and changes in the vegetation composition. Marsh grasses and other wetland plants may struggle to survive, affecting the primary producers in the food web.
The decrease in primary producers would cascade through the food web. Herbivores, such as marsh rabbits or marsh snails, may experience food shortages and face population declines.
This, in turn, would impact predators such as marsh hawks or alligators that rely on these herbivores as their prey.
As the population of higher trophic-level organisms decreases, it can disrupt the entire food web, affecting the stability and biodiversity of the ecosystem.
Furthermore, drought-induced habitat changes may force certain species to migrate or seek alternative resources, potentially leading to increased competition for limited food and space. This competition can further disrupt the balance of the food web.
In summary, a severe drought in the Georgia marshland ecosystem would result in reduced water availability, changes in vegetation, and disruptions in the food web.
The impacts would be felt across trophic levels, affecting primary producers, herbivores, and predators, and potentially leading to population declines and alterations in species interactions.
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