Multiple Choice
The first hint of the role of asteroids in extinction of the dinosaurs came from:
A) finding the huge crater in the Yucatan.
B) finding dinosaur fossils with meteorites imbedded in them.
C) finding a layer of worldwide iridium enriched dust.
D) finding that dinosaurs were warm-blooded and smart.
E) finding that no volcanic eruptions were linked to their disappearance.
Correct Answer:

Verified
Correct Answer:
Verified
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