Multiple Choice
The rate of background extinctions is calculated to be:
A) 0.1 to 1.0 species per year per million species
B) 0.001 to 0.01 species per year per million species
C) 1.0 to 10 species per year per million species
D) 10 to 100 species per year per million species
E) None of the above are correct
Correct Answer:

Verified
Correct Answer:
Verified
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