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प्रश्न
What is known as exfoliation?
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उत्तर
Exfoliation is the process in which outer layers of rock peel off due to temperature changes. In regions with high daytime temperatures and cool nighttime temperatures, the repeated expansion and contraction of the rock surface causes it to crack and break into thin layers or sheets. This is a form of mechanical weathering, often seen in rocks like granite.
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संबंधित प्रश्न
Distinguish between the following pair:
Weathering and erosion
In which regions of the world is ‘frost action’ the common form of weathering?
Give a technical term for the following:
Disintegration or decomposition of rock.
Give a technical term for the following:
Peeling off of the outer layer of rock through contraction and expansion.
Distinguish between :
Loess and Alluvium.
How is humus formed?
What do you understand by the following term:|
Carbonation
State the effects of weathering.
Give reasons for the following :
A soil dominated by clay makes tilling difficult.
Give a geographical reason:
Oxidation changes the size and colour of the rocks.
