Chemical weathering takes place due to

1. Oxidation
2. Frost
3. Exfoliation
4. Human activities

Wearing away of rock is called

1. Erosion
2. Gradation
3. Disintegration
4. Aggradation

It is a parent rock for other rocks making up to 85% of the earth’s crust.

1. Igneous
2. Sedimentary
3. Metamorphic

Rocks that are very compact and do not wear out easily

1. Igneous
2. Sedimentary
3. Metamorphic