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

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

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Asked 4/9/2018 7:30:37 AM

Updated 133 days ago|9/16/2020 4:28:58 AM

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