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प्रश्न
Distinguish between :
Loess and Alluvium.
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उत्तर
Loess and Alluvium: Alluvial soils are formed by the depositional activity of running water and loess by the wind. Alluvium contains high mineral and humus content, and loess is highly permeable.
संबंधित प्रश्न
Give geographical reason:
Temperature changes result in physical weathering.
What is weathering?
Give a technical term for the following:
Peeling off of the outer layer of rock through contraction and expansion.
How is humus formed?
Give a geographical reason:
Human is an agent of weathering.
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?
It is weathering that is responsible for bio-diversity on the earth. How?
Is weathering essential as a pre-requisite in the formation of soils? Why?
Are physical and chemical weathering processes independent of each other? If not, why? Explain with examples.
Name three types of weathering.
