Explain Physical Weathering.

1.	Explain Physical Weathering.
Answer» Physical Weathering: Process of disintegration in the rocks by insolation, frost, water and wind is called Physical Weathering. The process of physical weathering is classified into the following parts: 1. Block Disintegration: In this type of process, due to extreme daily range of temperature, cracks occur in the rocks and they disintegrate into large pieces. 2. Exfolation: Breaking of rocks in the form of shells when the upper layer of rocks remain heated and the inner layers cool down. 3. Frost Weathering: In extreme cold regions, the breaking down of rocks due to freezing and melting of water in the cracks of rocks on regular basis. 4. Pressure Release: When the removal of upper rocks reduces the pressure on the lower rocks, then cracks start appearing in the rocks. This process is called Pressure Release.

Answer»

Physical Weathering: Process of disintegration in the rocks by insolation, frost, water and wind is called Physical Weathering.

The process of physical weathering is classified into the following parts:

1. Block Disintegration: In this type of process, due to extreme daily range of temperature, cracks occur in the rocks and they disintegrate into large pieces.

2. Exfolation: Breaking of rocks in the form of shells when the upper layer of rocks remain heated and the inner layers cool down.

3. Frost Weathering: In extreme cold regions, the breaking down of rocks due to freezing and melting of water in the cracks of rocks on regular basis.

4. Pressure Release: When the removal of upper rocks reduces the pressure on the lower rocks, then cracks start appearing in the rocks. This process is called Pressure Release.

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