The largest mass extinction event in the history of the Earth occurred at the end of the _______ period. A. Permian B. Cambrian C. Devonian D. Ordovician Help! (Penn Foster)

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asked Jul 17, 2018 207k views

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The largest mass extinction event in the history of the Earth occurred at the end of the _______ period.

A. Permian
B. Cambrian
C. Devonian
D. Ordovician
Help! (Penn Foster)

Biology
high-school

Kit Fisto asked

by Kit Fisto

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1 Answer

5 votes

I believe its A
Permian

The Cookies Dog answered Jul 23, 2018

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