Question

What do you understand by soil erosion?

Answer 1

Soil:

1. It is the uppermost weathered layer of the earth's crust.
2. It is composed of organic matter, mineral particles, water, and air.

Soil erosion:

1. The denudation of the upper layer of soil is referred to as soil erosion.
2. Human activities like over-cultivation, unrestricted grazing, deforestation, and poor irrigation practices can cause soil erosion.

Effects of soil erosion:

1. Desertification
2. Loss of arable land
3. Air pollution
4. Clogging of waterways