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arealhero arealhero
wrote...
Posts: 7874
9 years ago
Which of the following statements about extinctions is true?
a. The background extinction rate is that which occurs during a mass extinction.
b. Extinctions are occurring now at rates comparable to those of the five mass extinctions.
c. Most of the species that have ever existed are extinct.
d. Both a and b
e. Both b and c
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wrote...
Valued Member
9 years ago
e. Both b and c
arealhero Author
wrote...
9 years ago
This is perfect, thank you for the answer.
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