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MA_775_DIABLO [31]
3 years ago
14

In earth's history there has(have) been ____ major extinction event(s) leading to the loss of 50% or more of the species present

, not counting the current mass extinction.
Biology
1 answer:
Vsevolod [243]3 years ago
3 0
There have been 5 Mass Extinctions throughout Earth's history.
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