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What is true of mass extinctions? A All life on Earth dies when a mass extinction happens B In each mass extinction, over 50% of animal species died. C Mass extinctions happen frequently. D There is no
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2 votes
What is true of mass extinctions?

A All life on Earth dies when a mass extinction happens
B In each mass extinction, over 50% of animal species died.
C Mass extinctions happen frequently.
D There is no evidence for past mass extinctions.

User Iamkeir
by
5.9k points

2 Answers

3 votes

Answer:

b

Step-by-step explanation:

mostly 99% of all species die

User Vitalii Mytenko
by
7.0k points
3 votes

Answer: I think the answer is B

Step-by-step explanation:

User Mirko Arcese
by
6.6k points
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