27-01-2021
Biology

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The molten layers of Earth were created when Earth heated up because of

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27-01-2021

Answer:

Explanation:

There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements.

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