Question

Give reason why outer rock layers are peeled off​

Answer 1

Answer:

"Peeling off" of outer layers of rockshappens through the process of exfoliation. This is a result of thermal stresses developed in the rocks and is an example of thermal weathering (which is a form of physical weathering). ... Thus,outer layers of the rocks will expand during daytime and contract during night time.

Answer 2

Answer:

The repeated heating and cooling exerts stress on the outer layers of rocks, which can cause their outer layers to peel off in thin sheets. The process of peeling off is also called exfoliation. Although temperature changes are the principal driver, moisture can enhance thermal expansion in rock.