The outer core of the earth is molten condition due to
Answers
Answer:
The outer core is made of molten iron with very low viscosity and loses heat to the much more viscous deep mantle. Thus, the heat flux out of the core is controlled by the efficacy of mantle convection and cannot be considered as an independent input. This is the reason why the outer core of the earth is in molten condition and it will remain the same as 10 billion or 91 billion years.
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.
3) heat from the decay of radioactive elements.
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