Geography
Define weathering and describe the chief characteristics of weathering.
Weathering
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Answer
Weathering is the breaking down of rocks without their removal. It is the disintegration or decomposition of rocks by natural agents at or near the Earth's surface.
Chief characteristics of weathering:
- It involves the disintegration or decomposition of rocks.
- It depends on climate and the nature of rocks.
- It occurs at or near the Earth's surface.
- It leads to the formation of soil.
- It involves several physical, chemical, and biological processes.
- It changes hard rocks into finer materials.
- It prepares rock material for transportation by agents of erosion.
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Related Questions
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Distinguish between physical and chemical weathering.
Give a geographical reason for each of the following:
(i) Physical weathering is also called mechanical weathering.
(ii) Physical weathering is more rapid in desert climates.
(iii) Chemical weathering occurs in moist and cold climates.