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The answer is number two extinction happened, this was the time dinosaurs went extinct ebcause lack of sun because oh how much dirt was blown into the earth atmosphere becuase of the asteriod, third option is talking about big bang theroy so that dosnt apply!
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Answer:
Healthy proteins are inserted into a patient since their DNA does not produce the right proteins.
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Explanation:
Ok so it will be the first one but it migt be the second on for the simple fact that they both use CO2 and O2
I might be wrong because i am working on that to in my Bio class
Explain why some lobsters may have one claw that is larger than the other claw. ... Why might it be particularly beneficial for the giant spider crab to be so large<span>?</span>