The correct answer is D. Precambrian Time - Paleozoic Era - Mesozoic Era - Cenozoic Era. This is the correct order of the geologic time scale, from oldest to most recent. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
the answer is B.extinction can be related to a failure to adapt to changes in the environment.
Yes, DNA synthesis is a part of creating DNA.
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