Question

How do solar radiations influence physical weathering?

Answer 1

Weathering involves the disintegration of solid rock due to the change in temperature, weather, and their impact on the composition of a rock. Physical weathering involves the decay of rock without a chemical reaction. The rocks heat up and expand during the day. At night, these cool down and contract. Since all parts of the rocks do not expand and contract at the same rate, cracks appear in rocks and ultimately the large rocks break up into small pieces.