Multiple Choice
The thickness of Earth's crust ranges from
A) 5 km to 60 km (3 mi. to 37 mi.) .
B) 70 km to 250 km (43 mi. to 155 mi.) .
C) the surface to an unknown depth.
D) the surface down to 2900 km (1800 mi.) .
Correct Answer:
Verified
Correct Answer:
Verified
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