Multiple Choice
What are the eras of ancient,middle,and recent life,respectively?
A) Paleozoic, Mesozoic, Cenozoic
B) Hadean, Archean, Proterozoic
C) Jurassic, Cretaceous, Tertiary
D) Proterozoic, Paleozoic, Recent
E) Devonian, Carboniferous, Permian
Correct Answer:

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Correct Answer:
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