Question

What is known as exfoliation? Name the processes involved in it.​

Answer 1

Answer:

Sudden change in temperature causes fissures in the rocks through which water penetrates to motivate chemical weathering along with sudden contraction and expansion due to change in temperature peels out the upper layer of rock known as exfoliation.

Or

A sudden change in temperature may cause cracks and fissures in the rocks. As water percolates into these fissures, chemical weathering takes place. The sudden expansion and contraction of rocks results in the peeling off of the outer layers of the rocks. This process of weathering is known as exfoliation.