Multiple Choice
When were the Moon's mare basins formed?
A) During the early heavy bombardment era (around 4.5 billion years ago)
B) During the final epoch of heavy bombardment (around 4.0-3.8 billion years ago)
C) During the time of the dinosaur extinction (around 250 million years ago)
D) None of these
Correct Answer:
Verified
Correct Answer:
Verified
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