Multiple Choice
The Phanerozoic Eon corresponding to the age of complex multicellular life as recorded in fossils encompasses ___________.
A) only the first 50 million years of the Cambrian Period
B) the first 4.6 billion years of Earth history
C) only the latest 56 million years of Earth history
D) roughly the last 12% of Earth history
Correct Answer:
Verified
Correct Answer:
Verified
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