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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
How long ago did multicellular life forms appear in the fossil record?
A) 63 million years ago
B) one billion years ago
C) 3.8 billion years ago
D) 30 million years ago
E) 4.5 billion years ago
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Wonderful, thanks for your time and effort
Minoring in physics
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#3
8 years ago
Message back if you need anything
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