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What is a mass extinction?

a.When a single species is completely knocked out of existence

b.When catastrophic events lead to many deaths of a variety of species

c.When huge numbers of species die out in a short period to time

d.When huge numbers of species die out in a long period of time

Verified Answer :

kyla17
Cwhen huge numbers of species die out in a short period...
Twaldrop25

when a huge number of species die out in a short amount of time

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