What happens to the density of the heated mantle Rock? And why?

Biology

1 answer:

Mrac [35]3 years ago

4 0

It reduces

Explanation:

The density of the heated mantle rock reduces because its volume has increased.

Frictional heat, heat from radioactive decay and heat that accretted originally when the earth was forming are responsible for heating the mantle.
When a substance is heated, it expands and its volume increases.
Density is a function of mass and volume.
The higher the volume, the lower the density.
The higher the mass, the higher the density.
When the mantle is heated, its volume increases to a new one and its density reduces.

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