Question

How do weathering of rocks occur?

Answer 1

Weathering is the process of breakdown of bigger rocks into smaller mineral particles.
It can occur by the following methods:
(i) Physical weathering: It occurs because of climatic factors such as temperature, wind, rain water, ice and snow.
(ii) Chemical weathering: It occurs through chemical processes such as hydrolysis, hydration, oxidation and reduction.
(iii) Biological weathering: It is carried out by living organisms such as lichens and bryophytes.