Which of the following are possible causes of soil erosion?
i. bush burning
ii. overgrazing
iii. reafforestation
iv. excavation
Soil erosion is a process in which the top fertile layer of soil is lost; it is the removal of topsoil by natural forces. The various factors that causes soil erosion are wind, water, overgrazing, deforestation, and bush burning. Bush burning and excavation expose the soil to the agents of erosion, which result in soil erosion.
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