Answers
Answer:
b new experiments will be conducted until evidence supporting the accepted theories is obtained
Answer:
C. The accepted theory will be revised or replaced
Related Questions
The carrying capacity is the maximum number of individual organisms that ____.
Answers
The carrying capacity is the maximum number of individual organisms that a specific environment can support.
An environment can only support a limited number of people.Carrying capacity refers to the maximum population size that an ecosystem can support without depleting the natural resources available at a time. Carrying capacity is determined by limiting variables like non-living(abiotic) factors and living(biotic) factors.The number of creatures that may live in an environment is determined by the availability of abiotic (eg. water, oxygen, and natural habitat) and biotic (eg. food, decomposers like fungi) elements. Generally in an ecosystem, a species' population will rise until it achieves its carrying capacity. The population size then stays fairly constant to check over the sustainable development.Sustainable development is defined as development that meets current needs without impacting future generations' ability to meet their requirements.Resources may be fully exhausted if the population exceeds the carrying capacity for an extended length of time. Natural disasters(flood, drought, volcanic eruption etc.) and Anthropogenic activities(human interventions) also have the potential to reduce or raise carrying capacity.To learn more about the carrying capacity, refer:-
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Which of the following statements regarding gene linkage is correct? The closer two genes are on a chromosome, the lower the probability that a crossover will occur between them. O Linked genes are found on different chromosomes. Unlinked genes do not follow the law of equal segregation The observed frequency of recombination of two genes that are far apart from each other has a masómur value of 100%
Answers
Answer: The closer two genes are on a chromosome, the lower the probability that a crossover will occur between them
Explanation: I think this is right just trust me
How do poor
farming methods impact Earth?
Answers
The main cause of pollution in many nations is agriculture. Pesticides, fertilizers, and other hazardous agriculture chemicals can contaminate fresh water, marine habitats, the air, and the soil. They may also persist for many generations in the environment.
What harmful effects does farming have on the environment?Large-scale conventional farming is heavily reliant on fossil fuels, herbicides, antibiotics, and synthetic fertilisers and emphasises intensive single crop production. While this method produces a lot of goods, it also adds to global warming, pollutes the air and water, and reduces soil fertility.Topsoil can dry out as agricultural fields take the place of natural vegetation. It is possible for nutrients to wash out and for the diversity and number of microorganisms that maintain the soil fertile to decline. It is possible for wind and rain to carry soil away.The production of biofuels, which can replace fossil fuels and cut greenhouse gas emissions across a variety of industries, is another benefit of agriculture. These steps are thought of as mitigating climate change.To learn more about environment, refer to:
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Electromagnetic waves have different _____ and _____ but the same _______.
Answers
Answer:
Different wavelengths and frequencies but the same speed threw empty space.
Explanation:
Radio waves, television waves, and microwaves are all types of electromagnetic waves. They only differ from each other in wavelength. ... The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
what is the answer i need it fast
Answers
Answer:
I think its the first one??
if im incorrect sorry!!!
What does the theory of evolution tell us about living things? (3 points)
The environment can make them change rapidly over a short period of time.
They create fossils when they die.
Their environment makes them change slowly over time.
They can give us clues about extinct species.
Answers
Answer:
C.
Explanation:
Slow change over time
Answer:
Their environment makes them change slowly over time.
Explanation:
Me BiG bRaIn!!
Someone gets on an airplane in Greenwich, England. They fly forward in time six hours. What degree longitude would they be near?
Answers
After 6 hours forward flight they would be at: longitude 90° eastward
The Greenwich is at Longitude 0 degrees, for a flight forward in time means that the Flight direction is eastward.
The Longitude lines runs from the north pole to the south pole dividing the globe into 180° to the east and 180° to the west of the equator while crossing the equator at right angles.
Each Longitude is 15° apart from the closest longitude because the earth is divided int 24 hours ( 12 hours to the east and 12 hours to the west )
i.e. 180° / 12 hours = 15°
Therefore after 6 hours flight ( forward ) the degree of longitude they would be at = 15° * 6 = 90° eastward
Hence we can conclude that they would be at longitude 90° eastward.
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The information above shows that silicon has both beneficial and detrimental effects on the human body. Given this information, think about other examples of materials or substances that can be both beneficial and detrimental at the same time. Research and write about two examples. Be sure to provide evidence to support your point of view.
Answers
Answer:
1. Iron (ferrous)
2. Zinc
Explanation:
Iron is a major component of hemoglobin which is responsible for the transportation of oxygen from lungs to all cells of the body, while excess iron has also negative effects on our body such as it causes liver disease (cirrhosis, cancer), heart attack, diabetes and sometimes it causes death. Zinc also plays a vital role in our body because it is a main component of all cells and also provide protection against microbes. It also needed for the production of DNA and protein. Zinc in excess amount causes copper deficiency, Nausea Stomach Pain and Diarrhea.
What layer of the blood vessel wall is composed of circularly arranged layers of smooth muscle cells?
Answers
The layer of the blood vessel wall composed of circularly arranged layers of smooth muscle cells is the tunica media.
It is the thickest layer of the vessel wall and is located between the tunica intima and the tunica adventitia. Tunica media is composed of an inner circular layer of smooth muscle cells and an outer longitudinal layer of smooth muscle cells. It is responsible for regulating the diameter of the vessel and, therefore, blood flow and pressure. When the smooth muscle cells contract, the diameter of the vessel decreases, and blood flow and pressure increase. On the other hand, when the smooth muscle cells relax, the diameter of the vessel increases, and blood flow and pressure decrease.
Tunica media is more developed in arteries than in veins. In arteries, the smooth muscle cells are more numerous and organized in multiple layers, while in veins, they are fewer and organized in a single layer. This is because arteries need to withstand the higher pressure generated by the heart, while veins need to resist the backflow of blood caused by gravity.
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In good-quality surface soil, approximately what percentage of the volume is made of mineral and organic matter?
Answers
Answer:
The chemical composition of the soil, the topography, and the presence of living organisms determines the quality of soil. In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air.
Explanation:
Answer:
50 percent
Explanation:
The composition of soils varies from place to place. But in good-quality surface soil, mineral and organic matter make up about half the volume. The other half is made of pore spaces that are filled with air and water.
What Is the Carbon Cycle? Photosynthesis, Decomposition, Respiration and Combustion
Answers
In the carbon cycle, carbon dioxide is removed from the atmosphere by plants through photosynthesis and added to the atmosphere by animals and plants during cellular respiration. Burning fossil fuels increases the amount of carbon dioxide released into the atmosphere, which causes global warming. Option (a) is correct.
Thus, carbon can be found in a variety of substances, including coal and the hydrocarbons glucose and carbon dioxide. But today, we'll focus on the short-term carbon cycle, in which carbon simply circulates through the environment over a few days, weeks, or years. Photosynthesis: Process of photosynthesis, using photosynthesis, plants remove carbon dioxide from the atmosphere. Despite making up less than 1% of the atmosphere, carbon dioxide has a significant impact on life.
Nutrient Cycle: Decomposition of Plants can develop primarily by utilizing carbon dioxide, water, and sunlight. Animals then use food as fuel, exhaling CO2 and using oxygen. Alternately, they rot, deteriorate, and die again over the course of millions of years. In other words, through a process called respiration, plants use solar energy to break down the same carbon dioxide in the air. It converts that same carbon into plant material through photosynthesis, which then releases oxygen once more. Combustion, is the energy produced by burning fossil fuels is used by our automobiles. Carbon, like carbon dioxide, is a pollutant. Fossil fuels are extracted, and then they are burned to release energy. But carbon dioxide is returned to the atmosphere as a byproduct of burning.
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Correct Question:
What Is the main function of Carbon Cycle?
a. Photosynthesis
b. Decomposition
c. Respiration
d. Combustion
Identify how Newton's third law of motion was responsible for the astronaut's return to the space station.
Answers
Answer:
sorry i cant understand clearly
Explanation:
i hope its help more
Answer: The equipment will "push back" on the astronaut with the same amount of force.
Explanation: Newton's third law of motion can be summed up as "For every action, there is an equal and opposite reaction." This means that when the astronaut applies force to push the object, that object will apply an equal amount of force to the astronaut.
Correlation between Mendels factors observed from the garden peas experimentation.
Answers
Mendelian inheritance was discovered when Gregor Mendel cross two pure breeds of peas. One is a pure breed of a purple pea plant and the other is a pure breed of a white pea plant. The result of the experiment is a hybrid offspring with violet flowers. The hybrid offspring is cross with each other and produce violet and white flowers.
For Mendel, it gave him the idea that there are "factors" affecting the inheritance of traits. These "factors" are now known as the genes, which are pairs of alleles that can have three genotypes: AA (homozygous dominant), aa (homozygous recessive), and Aa (heterozygous).
ANSWER:
In Mendel's experiment, the pure purple pea plant is homozygous dominant (PP) and the pure white pea plant is a homozygous recessive (pp). When they are crossed, the offspring become heterozygous/hybrid (Pp). Since the purple flower is dominant over the white flower based on their genotypes, the offspring will manifest a purple flower instead of a white flower.
But when two hybrid offspring are crossed, the produced offspring will either be purple or white. Thus, the "factors" can either be dominant or recessive.
Mendel carefully sorted the progeny derived from the parent plants based on the characteristics and counted the number that inherit each character.
Mendel studied inheritance in peas (Pisum sativum). He chose peas because they had been used for similar studies, are easy to grow and are biennial plants, and can be sown each year. Pea flowers contain both male and female parts, called stamen and stigma, and usually self-pollinate.
Mendelian factors are simply genes. Mendel while experimenting on the inheritance of traits (characteristics), used the term factors for the units that code for these traits. Later, these factors were given the term genes.
The main reason for their success of Mendel was that he took one character at one time in his experiments on hybridization. So it was easy. Other scientists also performed cross-hybridization for many characters, this made the experiments complex and they could not accurately explain the results.
Mendel observed seven different characteristics in the pea plants, and each of these characteristics had two forms. The characteristics included height (tall or short), pod shape (inflated or constricted), seed shape (smooth or wrinkled), pea color (green or yellow), and so on.
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A plant is placed near a window. Instead of growing straight up, the plant grows to the side. What is this plant demonstrating?(1 point) phototropism thigmotropism gravitropism dormancy
Answers
Answer:
Phototrophism
Explanation:
The plant is growing towards the light. this is an example of phototrophism.
Which of the following are noncoding RNAs? This is a multiple-select question. Choose all possible answers
O microRNA O transfer RNA O ribosomal RNA O messenger RNA O small nuclear RNA
Answers
The noncoding RNAs among the options listed are: microRNA (miRNA), ribosomal RNA (rRNA), small nuclear RNA (snRNA) and transfer RNA.
Here's an explanation for each of the noncoding RNAs mentioned:
microRNA (miRNA):
microRNAs are small RNA molecules that play a crucial role in post-transcriptional regulation of gene expression. They do not code for proteins but instead bind to messenger RNA (mRNA) molecules to inhibit their translation or promote their degradation. By regulating gene expression, miRNAs can have significant impacts on various cellular processes.
transfer RNA (tRNA):
transfer RNAs are responsible for carrying specific amino acids to the ribosomes during protein synthesis. They have a cloverleaf-like structure with an anticodon sequence that is complementary to the codon sequence on mRNA. By binding to the appropriate amino acid and recognizing the codon on mRNA, tRNAs ensure the correct placement of amino acids during protein synthesis.
ribosomal RNA (rRNA):
ribosomal RNAs are essential components of ribosomes, which are the cellular machinery responsible for protein synthesis. They make up a significant portion of the ribosome's structure and are involved in catalyzing the formation of peptide bonds between amino acids. Ribosomal RNAs also provide a structural framework for the ribosome and help in positioning the mRNA and tRNAs during translation.
small nuclear RNA (snRNA):
small nuclear RNAs are involved in the processing and splicing of pre-mRNA molecules. They form complexes with proteins to create small nuclear ribonucleoproteins (snRNPs), which recognize splice sites on pre-mRNA and facilitate the removal of introns and the joining of exons. This process is crucial for generating mature mRNA transcripts that can be translated into proteins.
These noncoding RNAs play important regulatory and structural roles within cells, contributing to various biological processes and ensuring the proper functioning of gene expression and protein synthesis.
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Glucose and oxygen are the ______ of photosynthesis
Answers
Explanation:
It transforms water into the oxygen and corbon dioxide in glucosewhat happens when you start to go deeper into the atlantic ocean in your own words please?
Answers
Answer:
the density of the water will keep crushing you until you are DEAD
Explanation:
Answer:
not sure if you still want an answer, but here:
the further down you go, the colder it'll get because the sunlight won't reach down as far, also making it darker. the pressure will also keep building up until it gets to be too much for your body to handle and literally crushes you.
State the law of conversation of energy. (Use scientific language)
Answers
Answer:
The law of conservation of energy, which is a fundamental principle in physics, states that energy cannot be created or destroyed, but it can be transformed from one form to another or transferred from one system to another.
This means that the total amount of energy in a closed system remains constant over time, and any energy lost by one part of the system must be gained by another part of the system. The law of conservation of energy applies to all physical processes, including mechanical, electrical, and chemical processes, and is a consequence of the time-invariance of physical laws.
It is a cornerstone principle in the study of thermodynamics and is crucial to our understanding of the behavior of the universe at the most fundamental level.
The law states that "Energy can neither be created nor destroyed adn can be only converted from one form to another."
Thus this means that the total amount of energy in the universe is constant and it cannot be created or destroyed it conly changes its forms.
For example, if we throw a ball from a height we convert its potential energy to kinetic energy. In this case all the potential energy is converted to its kinetic energy in a ideal system and thus no energy is destroyed or created.
Also in a motor vehicle the engine converts the chemical energy present in the fuel to mechanical energy of the car. It is a very important part of mechanics on whose bases many laws are formulated.
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In humans, brown eyes are dominant to blue eyes. If a blue-eyed man has children with a brown-eyed woman whose mother has blue eyes, what percentage of the brown-eyed offspring do you expect will be heterozygous
Answers
Answer:
50%
Explanation:
This question involves a gene coding for eye color in humans. The allele for brown eyes (B) are dominant to blue eyes (b). This means that blue-eyed individual will possess genotype: bb.
According to this question, a blue-eyed man (bb) has children with a brown-eyed woman (B_) whose mother has blue eyes (bb). Since the mother of the brown-eyed woman has a blue eye, this means that the woman will be heterozygous for brown eye (Bb).
Hence, the parents in this question will cross as follows: blue eyed man (bb) × brown-eyed woman (Bb). The offspring/children will have the following genotypes (see attached punnet square); Bb, Bb, bb, bb.
Based on the question, 2/4 = 1/2 of the children will be heterozygous for the eye color trait. That is, ½ × 100 = 50%.
if an organism had a mutation that caused its spindle fiber ro not form properly,what phases of the cell cycle would be most directly affected
Answers
The chromosomes of the parent cell would not divide.
What is the Purpose of the "DNA extraction liquid"?
Answers
Answer:
plase bear with me i know this is a long answer
Explanation:
The purpose of DNA extraction liquid is to break open cells and dissolve cellular membranes, proteins, and other cellular components in order to release DNA from the cell. This is an essential step in DNA extraction procedures, as DNA is tightly packed within the cell and needs to be isolated and purified for further analysis.
There are many different types of DNA extraction liquids that can be used depending on the type of sample and the downstream application. Commonly used extraction liquids include phenol-chloroform, ethanol, and various commercial kits that utilize a variety of chemical agents and protocols.
The DNA extraction liquid typically contains a combination of reagents that help to disrupt the cell membrane and denature cellular proteins, allowing the DNA to be released and separated from other cellular components. These reagents can include detergents, salts, enzymes, and organic solvents. After the DNA has been released from the cell, it can be further purified using various methods, such as precipitation or column-based purification, depending on the specific application.
In summary, the purpose of DNA extraction liquid is to break open cells and release the DNA for further analysis. It is a critical step in many molecular biology and biotechnology applications, including genetic research, diagnosis of genetic diseases, and forensic analysis.
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To which of the following factors is the overall lower life expectancy of Hispanic Americans MOST attributed?
Answers
The overall lower life expectancy of Hispanic Americans is attributed to a combination of various factors.
It is important to note that generalizations may not capture the individual experiences and health outcomes within the diverse Hispanic population. However, some of the factors that can contribute to lower life expectancy among Hispanic Americans include:
Socioeconomic factors: Socioeconomic disparities, such as lower income levels, limited access to quality healthcare, education, and employment opportunities, can impact overall health and contribute to lower life expectancy.
Health behaviors: Unhealthy lifestyle choices, such as tobacco and alcohol use, poor diet, lack of physical activity, and limited preventive healthcare utilization, can contribute to adverse health outcomes and lower life expectancy.
Chronic diseases: Prevalence of chronic conditions like diabetes, obesity, hypertension, and cardiovascular disease can be higher among certain Hispanic subgroups, which can affect life expectancy if not properly managed or prevented.
Cultural and linguistic barriers: Limited English proficiency, cultural beliefs, and mistrust in the healthcare system can create barriers to accessing healthcare services, leading to delayed or inadequate treatment and poorer health outcomes.
It is important to approach these factors with sensitivity and recognize the complex interplay of social, cultural, and systemic factors that contribute to health disparities among Hispanic Americans. Additionally, there are variations within the Hispanic population based on factors such as country of origin, socioeconomic status, and individual circumstances, which can further influence health outcomes.
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there are 22 grams of media per 1000 mL of liquid, how many grams of media would it take to make only 100 mL of liquid?
Answers
Answer:
1ml
Explanation:
ddddddn
svscwjdvjwdvwjdvwjskqskwsg
Please select the word from the list that best fits the definition
Preserved animal tracks are called ______ fossils.
Answers
Answer:
A Trace Fossil
Explanation:
Mark as Brainliest Answet
Trace fossils
Trace fossils include footprints, trails, burrows, feeding marks, and resting marks. Trace fossils provide information about the organism that is not revealed by body fossils.
Pls help fast I need to turn this in for Hw
Answers
Answer:
b
Explanation:
that is the only positive potential characteristic listed.
Identify the following text structure in the example below and choose the correct answer:
Attracted by the sweet nectar that each flower offers, the bees crawl around on the petals to find the perfect sucking position. As they do so, their furry bodies are dusted with beads of pollen. As they fly from blossom to blossom in search of more of the sweet energy drink, they transfer pollen from the male part of the flower to the female part, and so fertilize it. Not long afterwards, the plant's ovaries swell into fruit, which by late August turn into precious, oval-shaped nuts.
a.
fact and opinion
c.
persuasive
b.
narrative
d.
expository
Answers
This questions has two parts
35 points
Answers
Part A
Answer: (A) Candida Albicans and Saccharomyces Cerevisiae
Explanation: They have the smallest difference in Cytochrome C
Part B
Answer: (B) The two species have high molecular homology
Explanation: Molecular homology means resemblances between species on the molecular level. Since the two species from the answer in Part A have the smallest difference in Cytochrome C it means they have high molecular similarities; this is due to evolving from the same common ancestor.
(A) is not the right answer because the fungi in the table might all look similar but have different or similar genetic blueprints.(C) is not the right answer because fungi can reproduce sexually or asexually, so reproduction cannot help with determining relatedness.(D) is not the right answer because if the two species from the answer in Part A are closely related because they are both fungi, the answer for Part A should be all of the options.1. An image of the carbon cycle is shown.
(LS2.2 - 1 point)
CO
Photosynthesis
Which action could lead to a reduction in atmosoheric carbon?
Plant
Respiration
Combustion
Animal
Respiration
A. Using coal to power a factory
B. Burning logs in a fireplace
C. Animals eating mushrooms in a field
D. Humans planting trees in a forest
2. Legume plants such as beans have a
symbiotic relationship with bacteria and form nodules in the roots of the plant that convert atmospheric nitrogen gas into nitrogen compounds the plant can use. The image shows root nodules on a legume plant.
If root nodules were prevented from forming, which of these would be the most likely impact on the local community?
(LS2.3 - 1 point)
A. The plants would no longer be able to perform photosynthesis.
B. The plants would increase water consumption to compensate for the loss of nitrogen.
C. The soil would become depleted of usable nitrogen compounds.
D. The concentration of atmospheric nitrogen gas would decrease.
Answers
having free earlobes (F) is a dominant trait in humans and having attached earlobes (f) is recessive a father has the genotype ff and the mother has the genotype Ff
describe the genotype ratio for their offspring
Answers
Rangelands are important for providing and maintaining habitat for wildlife including insects, birds, and big game. What type of ecological service is maintaining habitat?
A. Regulating
B. Cultural
C. Supporting
D. Provisioning
Answers
The type of ecological service that is maintaining habitat for wildlife including insects, birds, and big game is "supporting."
Ecological services are the benefits that humans gain from natural ecosystems. There are four types of ecological services: provisioning, regulating, supporting, and cultural. They are referred to as ecological services because they are essential to human well-being and the survival of the ecosystem. Maintaining habitat is an example of an ecological service that is supporting. This is because maintaining habitat helps the survival of many different species by giving them a place to live, shelter, and food. Rangelands play a significant role in supporting this ecological service as they provide a natural home for a wide range of species including insects, birds, and big game. Rangelands are a crucial source of food and habitat for wildlife. They help maintain the ecological balance of the ecosystem by providing the necessary resources for the different species of animals that inhabit the ecosystem. They are important for the survival of many different species of animals, including insects, birds, and big game. Therefore, they play a critical role in maintaining the ecological service of supporting the ecosystem.
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