What period of the Paleozoic era did a mass extinction occur?

asked Aug 6, 2017 11.2k views

2 votes

by BNK

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2 votes

Answer:

The permian period

Step-by-step explanation:

learned about this today hope it helps ^ u ^

Elrond answered Aug 8, 2017

7.8k points

1 vote

It was in the Permian period

Epifanio answered Aug 10, 2017

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