Question

why is the earth's crust undergoes many changes.​

Answer 1

Hey mate!!

The external part of the crust under goes changes due to natural factor and human activities.

The interior part of the crust under goes changes due to plate tectonics and temperature and pressure.

Hope it helps !!

Answer 2

Explanation:

The crust of the earth undergoes many changes because of the heat and pressure. Mainly the crust of the earth is formed because of the rich igneous rocks like basalt and granite. It is because of the fact that the most abundant rocks that form the crust of the earth are igneous that are formed by the cooling of the magma. Besides, the metamorphic rocks undergoes drastic changes because of the excessive heat and pressure.