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GS Geography Physical Geography of World
Q.

The remedies to soil erosion are:
I. Contour bunding
II. Regulation of land use
III. Cutting of trees
IV. Allowing grazing of animals
Explanation:

ANS. (B) 
Cutting of trees (deforestation) and grazing of animals are some of the major contributors of soil erosion. Contour bunding is a traditional low-cost method of soil conservation suitable for sloping land; it promotes water retention and helps prevent erosion. Similarly, regulation of land use has a major impact on natural resources including water, soil, nutrients, plants and animals.

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