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प्रश्न
Account for the two types of weathering.
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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.
संबंधित प्रश्न
What is known as exfoliation?
What is the chief characteristic of weathering in tropical climates?
What is known as mass wasting?
What do you understand by the following term:|
Regolith
Rewrite the following sentence, choosing the right word from the options given below:
_______is produced by the decayed organic material, including dead leaves, stems roots, living bacteria, fungi, worms, and other organisms.
What are the various factors governing the formation of soil? Which one is the most important and why?
Distinguish between the following :
Erosion and Weathering.
How does frost action cause weathering?
Give reasons for the following :
Climate is the most important factor of soil formation.
A region is having an annual mean temperature of 5°C and an annual rainfall of 1000 mm. Can you comment upon the weathering and the type with the help of the following questions? Discuss in class.
- Which type of weathering will be dominant here?
- Where will such a region be found?
