Compared with the background rate of extinction,currently ___________.
A) species are going extinct much faster than in the past
B) the rate of extinction is more than 100 times higher
C) humans are greatly enhancing the rate of extinction
D) species are going extinct much faster than in the past AND the rate of extinction if more than 100 times higher
E) All of these choices are correct.
Correct Answer:
Verified
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