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Fossil Evidence Indicates That Prokaryotic Cells First Existed on the Earth

Question 38

Multiple Choice

Fossil evidence indicates that prokaryotic cells first existed on the Earth

A) 350 years ago.
B) 3.5 billion years ago.
C) 3.5 × 1012 years ago.
D) 35000 years ago.
E) 3500 years ago.

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