Multiple Choice
Average oceanic crust is __________ kilometers thick, whereas average continental crust is __________ kilometers thick.
A) 20 to 40, 5 to 10
B) 50 to 100, 200 to 400
C) 4 to 7, 20 to 40
D) 200 to 400, 50 to 100
Correct Answer:

Verified
Correct Answer:
Verified
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