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Question
Which of the following is a biological method of soil conservation?
A.
Construction of check dams
B.
Terracing
C.
Afforestation
D.
Use of gypsum
Answer ( Option C)

Afforestation

Solution

Afforestation, the planting of trees, helps to bind the soil with their roots, reduce the impact of rainfall, and increase infiltration, thus conserving soil.

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