Multiple Choice
What is the primary reason for the inside of Earth being hot?
A) No heat is being generated, but Earth's outer layers have prevented the escape of heat trapped during the planet's initial formation.
B) The decay of radioactive elements is creating heat in Earth's inner layers.
C) A nuclear process like that found in stars is at work in Earth's interior.
D) Huge quantities of oil and natural gas occasionally burn deep within Earth.
Correct Answer:
Verified
Correct Answer:
Verified
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