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List the three items that must be included in the definition of mass extinction
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List the three items that must be included in the definition of mass extinction
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May 8, 2022
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List the three items that must be included in the definition of mass extinction
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Pekka
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Ordovician-silurian Extinction: 440 million years ago.
Devonian Extinction: 365 million years ago.
Permian-triassic Extinction: 250 million years ago.
Juan Carlos Ibarra
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May 14, 2022
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Juan Carlos Ibarra
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