Assertion (A): Weathering is described as disintegration or decomposition of a rock in size by natural agents at or near the surface of the earth.

Reason (R): A rock undergoes disintegration or decomposition only by being exposed.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Given below are different climate types with the predominant weathering action. Select which one is incorrect.

(A) Equatorial Climate — Chemical weathering
(B) Tropical Climate — Chemical weathering
(C) Dry Climate — Biological weathering
(D) Temperate Climate — Mechanical weathering
(E) Polar Climate — Mechanical weathering

1. B
2. C
3. D
4. E

What is weathering?

Name three types of weathering.