Biology, 10.10.2019 22:00, lovebug3563

The permian mass extinction occurred about 248 million years ago. it was the greatest mass extinction ever recorded in earth's
history. about ninety-five percent of all marine species became extinct as a result of the permian extinction.
es
although scientific theories vary, it is believed that
caused the permian mass extinction.

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The permian mass extinction occurred about 248 million years ago. it was the greatest mass extinctio...