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Radiation be any of a number of different energy sources: light, heat or nuclear sources.

  • There is no light in the mantle as it is not made of transparent or translucent rock
  • There is heat in the mental as the heat from the core is escaping to the surface of the earth
  • There is nuclear radiation as radioactive elements are breaking down with time.
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Why does radiation not occur in Earth's mantle?

The Earth's mantle is composed of solid rock that is not undergoing radioactive decay, which is the process that releases radiation. The radiation that is naturally emitted from the Earth mainly comes from the crust and the core, not the mantle. Additionally, the thickness and composition of the mantle act as a barrier that prevents most radiation from reaching the surface.


Why does radiation not occur in the mantle?

The mantle is composed of solid rock that does not undergo radioactive decay at a significant rate. The core of the Earth, rather than the mantle, is the primary source of the Earth's internal heat and radiation due to the decay of radioactive isotopes.


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Where in the structure of the earth do convection currents occur?

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