Question

the crust of the earth is neither stable nor permanent. justify the statement in 300 words ​

Answer 1

Answer:

Explanation:

Because what’s underneath it is not stable or permanent.

Magma below the crust still retains most of the heat left over from the formation of the earth. It is semi-fluid rock, constantly flowing in hot convection currents that rise and fall like that stuff in a lava lamp.

This constant movement below the surface is always shifting the crust and moving it in one direction or another, resulting in tectonic plate movement, earthquakes, and volcanic activity.

In a few billion years, enough heat will be lost that the mantle will finally solidify, and the earth will become geologically inactive. Then the crust will stabilize in whatever shape it is in at that time.