When was the largest extinction in Earth's history?
A)the current time
B)Cretaceous
C)Permian
D)Cambrian

Name: When was the largest extinction in Earth's history? A)the current time B)Cretaceous C)Permian D)Cambrian
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The largest extinction in Earth's history occurred during the Permian period, about 252 million years ago. It is estimated that 96% of marine species and 70% of terrestrial species went extinct during this event, making it the most severe extinction event in Earth's history.

When Was the Largest Extinction in Earth's History