What is soil erosion. state two causes of it
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soil erosion means loss of fertile soil which is the top most layer of soil.
eg: 1) flowing of continuous water.
2) blowing of wind
eg: 1) flowing of continuous water.
2) blowing of wind
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Soil erosion is the flowing away of topsoil due to the action of wind or rain.
Causes:
1. Cutting trees causes erosion as roots of trees hold soil together but if we cut them, there are no roots to hold the soil.
2. overgrazing by animals.
Causes:
1. Cutting trees causes erosion as roots of trees hold soil together but if we cut them, there are no roots to hold the soil.
2. overgrazing by animals.
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