Multiple Choice
Scientists have direct evidence of the Earth's structure to
A) the inner core.
B) the upper mantle (~250 km (155 mi) ) .
C) about 2 km (1.2 mi) from the surface.
D) 10 km (6 mi) from the surface, based on the deepest well shaft.
Correct Answer:
Verified
Correct Answer:
Verified
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