Which layer of the Earth is primarily composed of molten rock?
Category: Knowledge · Difficulty: medium
Hint: It's the thickest layer beneath the crust.
Answer
Mantle
Explanation
The mantle is the layer of the Earth located between the crust and the outer core, made mostly of molten rock.
This is a medium knowledge riddle — a moderate challenge for most people. The answer is Mantle.
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