how xan soil erosion be beneficial and harmful at fhe same time
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It is beneficial because it helps in run off of excess harmful soil which contains harmful pesticides and insecticide and it is harmful because when soil run offs earthworms which increase fertility of soil also run off
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Soil erosion happens when the wind blows very fast or water flows very fast then the top layer of the soil gets blown or washed away, this is soil erosion.
Disadvantage- During a flood the water flows very fast and washes away the top layer of the soil and its particals also, and this make the land bad for farming.
Advantage- But their is a positive effect of this also, that is the washed away soil and its particals will scatter over a dead soil surface and will moisturize, it makes the land good.
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