what is soil erosion ? State two preventive measures of siol erosion?
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Explanation:
The removal of the topsoil by water, wind and human activities is called soil erosion.
Two ways to prevent soil erosion are:
Shelter belts: Trees should be planted in several rows to check the speed of the wind. This reduces soil erosion because of wind.
Constructing dams: Because the rivers cause soil pollution, dams are built in the upper course of the rivers to check soil erosion.
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