Question

what is soil erosion?write its two causes .which are the two methods of preventing or reducing soil erosion.?

Answer 1

Soil erosion is washing out of the top layer of the land or soil. Two cause are Deforestation and irregular maintainence of water(leads to wash the top layer). We can prevent it by planting trees.
Sorry I know only one method,,, planting trees in the sense it binds the soil tightly.

Answer 2

soil erosion is one of the form of soil degradation.The erosion of soil is a naturally occuring process on all lands