Question

What is soil eerosion.state how it can be prevented in desert?

Answer 1

the countinous washing down of upper layer of soil is called soil erosion.

➡it can be prevented by;

By large scale afforestation.
By no entry of cattle in permanent pasture ground.

hope this helps you deaR ✌✌✌

Answer 2

Soil erosion is denudation of the soil cover and subsequent washing down. Planting lines of trees to create shelter prevents soil erosion.

Hope it helps ✌✌