The Earth's interior heat engine works because hot buoyant material deep within the Earth _______ while cold denser material _______.
A) moves upward; moves downward
B) contracts and sinks; expands and rises
C) contracts and rises; expands and sinks
D) expand and sinks; contract and rises
Correct Answer:
Verified
Q22: The _ collectively make up the lithosphere.
A)
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Q24: A _ is a hot, turbulent mixture
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Q29: Listed from Earth's center outward, the three
Q30: _ refer(s) to the scientific study of
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Q32: Earth's external heat engine is driven by
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