Question

Define desertification

Answer 1

 when dry land region becomes increasingly arid,  losing its bodies of water, vegetation and wildlife.

Answer 2

Desertification is kind of process in which the soil of a particular area degrades in quality and finally ends up in infertile,barren land.This land later loses the ability to support life.
Desertification is caused by overgrazing of an area and the most important cause to be considered for desertification is incorrect irrigation practices and over usage of chemicals.
Hope I helped you..........