Q4 of 16 Page 29

Identify the type of weathering from the following description

Sand formation occurs in deserts.

Action of temperature

Explanation.


With the increase in temperature, the minerals and components in the rocks expand and enlarges. With the fall in temperature, it contracts and reduces. This results in the accumulation of pressure between the cracks and joints in the rocks. They disintegrate with the increase in the pressure. This weathering results in the formation of sand.


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Identify the type of weathering from the following description

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Identify the type of weathering from the following description

The pipes supplying water in colder regions break.

 5

Using the internet look for incidents of a few landslides that have occurred in India and write about them briefly.