What is still lacking in the hypothesis of an asteroid impact as the cause of the end-Cretaceous mass extinction?
A) evidence that an asteroid hit Earth at the time of the extinctions 65 million years ago)
B) a convincing explanation of why mammals radiated after the event
C) evidence of the location where an asteroid hit Earth
D) a convincing explanation of why some lineages survived while others vanished
Correct Answer:
Verified
Q21: How do mass extinctions differ from background
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