<span>An agent, such as radiation or a chemical substance, that causes genetic mutation.

So your answer is ....

B. an agent that causes mutation in DNA
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3 years ago

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Earths energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be use

Lelechka [254]

um is there s set of answers I can pick from

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3 years ago

For photosynthetic organisms to evolve and become more abundant than chemosynthetic organisms, what variable must have changed i

ValentinkaMS [17]

The evolution of organisms are based on the resources available in order for it to be capable of growth still. In the given choices above, the substance or chemical that changed over time is the supply of carbon dioxide which is an essential substance for photosynthesis. Thus, the answer the first choice.

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3 years ago