why is lower mantle hotter
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Answer: The mantle is heated from below, cooled from above, and its overall temperature decreases over long periods of time. All these elements contribute to mantle convection. Convection currents transfer hot, buoyant magma to the lithosphere at plate boundaries and hot spots.
Explanation:
Answered by
1
Answer:
Yes it is hot
Explanation:
because it is compresed by many layers of Earth
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