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The ? era featured the longest periods with no life forms on Earth. A Palezoic B. Precambrian C. Cenozoic D. Mesozoic
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The ? era featured the longest periods with no life forms on Earth.

A Palezoic
B. Precambrian
C. Cenozoic
D. Mesozoic

User Iliana
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2 Answers

7 votes

Answer:

B. Precambrian

Step-by-step explanation:

User Limitlessriver
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Since D, Mesozoic Era had dinosaurs you can cross that off, C was when Wooly mammoths existed so that’s not it. So the correct answer for you would be B. PRECAMBRIAN. Hope this helps :)
User Ryano
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