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28 July, 21:04

What are the two sources of heat in the earths interior?

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  1. 28 July, 23:25
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    The flow of heat from Earth's interior to the surface is estimated at 47 terawatts (TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust, and the primordial heat left over from the formation of the Earth.
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