In which of the following decomposition of rocks take place with changes in the chemical constituents of rocks?

1. Inorganic Weathering
2. Chemical Weathering
3. Organic Weathering
4. Physical Weathering

The internal forces operating in the interior of the earth are called …………… .

1. Exogenic forces
2. Endogenic forces
3. Constructive forces
4. Weathering forces

In which of the following climates physical weathering due to frost action is more prevalent?

1. Equatorial climates
2. Polar climates
3. Tropical climates
4. Temperate climates

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.