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Biology, 26.02.2020 01:43 vnfrancis3716

What event is thought to have occurred about 3.5 billion years ago?

A. The first Eukaryotic cells appeared
B. Earth formed from cosmic bodies and debris combining
C. Earth cooled enough for liquid water to exist
D. The first prokaryotic cells appeared

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What event is thought to have occurred about 3.5 billion years ago?

A. The first Eukaryo...
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