In which layer of earth’s interior is the temperature the highest?

a.
in the mantle

b.
in the lithosphere

c.
in the inner core

d.
in the asthenosphere

Option (C)

Explanation:

The inner core of the earth is comprised of solid rocks that are mostly denser elements such as iron, nickel and other siderophile elements. These are concentrated at the core of the earth which is extremely hot, having a temperature of more than 6000°C. This core is so hot that it radiates a large amount of heat energy that leads to the formation of convection current in the mantle and eventually results in the plate tectonic activity.

Thus, the inner core of the earth has the highest temperature.

Hence, the correct answer is option (C).

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