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Question
Account for the two types of weathering.
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Solution
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.
RELATED QUESTIONS
Distinguish between the following pair:
Weathering and erosion
Give geographical reason:
Gases in the atmosphere affect weathering.
Which is the most important effect of weathering?
Give a technical term for the following:
Peeling off of the outer layer of rock through contraction and expansion.
Distinguish between:
Weathering and Denudation
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.
Define the following term briefly:
Soil texture
Give a geographical reason:
Temperature is the main factor behind granular weathering.
Which one of the following materials is affected by hydration process?
Name three types of weathering.
