9. Explain how soil pollution and soil erosion could be prevented.

Answers (1)

The ways to prevent soil pollution are:

(i) Recycling of non-biodegradable wastes.

(ii) Limiting the use of pesticides and insecticides.

(iii) Making dumping grounds of non-biodegradable wastes far away from fertile land.

The removal of land surface by water, wind or ice is known as erosion. The ways to prevent soil erosion are:

(i) Afforestation or planting of trees.

(ii) Reduce cutting down of trees or deforestation.

(iii) Using step farming in hilly regions

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