Multiple Choice
The temperature within the Earth ______with depth because rocks are poor conductors of heat and they contain small amounts of radioactive elements that generate heat. This gradual change in temperature with depth is called the_______ .
A) increases, melting profile
B) increases, conductivity barrier
C) increases, geothermal gradient
D) decreases, crustal thermocline
Correct Answer:

Verified
Correct Answer:
Verified
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