Question

how does soil erosion happen? explain​

Answer 1

Answer:

various factors like heavy rainfall continuously, flooding, lack of trees, etc causes soil erosion

Explanation:

DUE TO RAINFALL AND FLOODING: It occurs when the soil gets loose or turn into mud because of rainfall and it moves down (usually in slopy areas)

DUE TO LACK OF TREES: in an area (Especially a slopy area), when there are few or no trees, the soil gets loose and erodes. The soil becomes loose because trees hold the soil firmly if there are few or no trees it becomes loose

According to what I know, natural disasters like soil erosion and landslides usually occurs in slopy, hilly, or slanting areas

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Answer 2

Soil erosion:

• Soil erosion is a naturally occuring process that affects the landforms. In agriculture, soil erosion refers to the wearing away of the fields topsoil by the natural physical forces and by wind.
•  Soil erosion can be slow process that continues relatively unnoticed or can occur at an alarming rate cause serious loss of topsoil.

• Soil  composition , low organic matter, loss of soil srurcture, poor internal drainage, salinisation and soil acidity that can accelerate the soil erosion process.
• Human activites have incresaed by 10-50 times the rate at which erosion is occuring globally.
• Excessive erosion causes both "on-site" and " off-site" problem.On-site impacts includes decreases in agricultural productivity and ecological collapse both because of the loss of nutrients-rich upper soil layers.
• It is usally caused due to removal of vegetation or any other activity that renders the ground dry.
• Farming, grazing, minimg, construction and recreational activites are some of that causes of soil erosion.