The current rate of extinction may be as much as ________ times higher than at any other time in the past 100,000 years.
A. 10
B. 100
C. 1,000
D. 10,000
Answer:C
The current rate of extinction may be as much as ________ times higher than at any other time in the past 100,000 years.
A. 10 B. 100 C. 1,000 D. 10,000