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प्रश्न
Account for the two types of weathering.
टीपा लिहा
उत्तर
Weathering may be :
- Mechanical : weathering is the disintegration of rocks by mechanical forces, without chemical changes.
- Chemical : weathering is the gradual decomposition of the rock owing to the reaction and combination of the constituent minerals of the rock with oxygen or carbon dioxide present in the atmosphere. In Chemical weathering the presence of water is essential.
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Weathering
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संबंधित प्रश्न
Distinguish between the following pair:
Weathering and erosion
Give geographical reason:
Temperature changes result in physical weathering.
List any three factors that affect weathering.
Which is the most important effect of weathering?
What is the chief characteristic of weathering in tropical climates?
What do you understand by the following term:|
Carbonation
Describe the work of plants as agents of weathering.
Give reasons for the following :
Grassland soils are less acidic than forest soils.
Give a geographical reason:
Oxidation changes the size and colour of the rocks.
Are physical and chemical weathering processes independent of each other? If not, why? Explain with examples.
