Multiple Choice
If estimates of an extinction rate 10,000 times greater than the background rate are correct,then what percentage of all species will be extinct by the end of this century?
A) 5 - 10%
B) 10 - 25%
C) 25 - 33%
D) 25 - 50%
E) 60 - 75%
Correct Answer:
Verified
Correct Answer:
Verified
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