What are the two heat sources of the interior of the Earth?.

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23-11-2022
Physics

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What are the two heat sources of the interior of the Earth?.

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contexto1005 contexto1005 · Answer 1 · 2022-11-30T12:21:48-05:00

The two primary sources of Heat in the Earth's interior are radioactive decay and primordial heat. Both of these sources of heat are essential for driving the Earth’s internal dynamics.

Radioactive decay is the process by which unstable, naturally-occurring elements such as uranium, thorium, and potassium decay into more stable elements. As these elements decay, they release energy in the form of heat. This energy is then transferred to the Earth’s interior, where it helps to drive convection in the mantle and other dynamics. This heat is also responsible for the generation of Earth’s magnetic field.

Primordial heat is heat that has been present within the Earth since its formation, and is thought to be a result of the kinetic energy of the Earth’s formation. This energy has been slowly released over time, and is currently estimated to contribute around 20% of the Earth’s total heat budget. This heat is also responsible for the generation of convection in the Earth’s mantle, and is one of the main drivers of plate tectonics and other Earth dynamics.

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