kylewoodman11 kylewoodman11

04-12-2017
Chemistry

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

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Blushface123 Blushface123

04-12-2017

The world's largest mass extinction was the Permian-Triassic event about 250 million years ago, which wiped out 95% of earth's species. It marked the end of the Paleozoic era …and the beginning of the Mesozoic.

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luis56363 luis56363

04-12-2017

It was the Paleozoic Era about 250 million years ago

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