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The Earliest Mass Extinction Occurred About ______ Years Ago, the Most

Question 19

Multiple Choice

The earliest mass extinction occurred about ______ years ago, the most recent mass extinction occurred about ______ years ago.


A) 4 million; 1 million
B) 43 million; 1 million
C) 439 million; 65 million
D) 439 million; 1 million

Correct Answer:

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