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May 27, 2015

Homework Help: Science

Posted by Anonymous on Wednesday, November 6, 2013 at 12:24pm.

During which section of the geologic time period did the first modern humans evolve?

a. during the Paleogene period of the Cenozoic era.
b. during the Quaternary period of the Cenozoic period.
c. during the Cretaceous period of the Mesozoic era.
d. during Precambrian time.

B

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