Which of the following is not true of the process of biological extinction?
a. The extinction of an organism can be reversed if enough government funding is provided.
b. There has always been a certain low-level amount of ongoing background extinction occurring.
c. Completely natural processes can cause population extinctions.
d. Human activities have resulted in population extinctions.
e. a, b and c are all correct, but not d
A
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What kind of unconformity is present between rock units L and J?
What will be an ideal response?
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