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प्रश्न
What do you understand by the following term:|
Exfoliation
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उत्तर १
It is the process of scaling off the curved outer shells of the rock. Exfoliated dome-shaped rocks are largely found in great deserts.
उत्तर २
When the rock consists of homogeneous minerals the thin surface layer of rock absorbs heat during the day and expands, while during the night, this surface layer contracts. In a few days the rock breaks up or peels off into layers. This type of weathering is called exfoliation.
संबंधित प्रश्न
Complete the flowchart below.
Match the column
| Column A | Column B |
| 1. Granular disintegration | (i) causes feldspar to become a powdery mass |
| 2. Oxidation | (ii) is common in deserts |
| 3. Carbonation | (iii) is the simplest form of chemical weathering |
| 4. Hydration | (iv) mainly affects limestone regions |
| 5. Solution | (v) results in the rusting of iron |
Give geographical reason:
Temperature changes result in physical weathering.
Name any two slow movements of mass wasting.
What is known as Sheet Wash?
Say whether the following is ‘True’ or ‘False’.
External forces are engaged only in erosion
What is weathering? Illustrate the process graphically.
Distinguish between the following :
Erosion and Weathering.
Give reasons for the following :
A soil dominated by clay makes tilling difficult.
Give a geographical reason:
Human is an agent of weathering.
