Desertification is the degradation of the land in arid and dry sub-humid areas, but is not occurring in africa yet.

true

falsr

FALSE

Explanation:

Desertification is defined as the process by which fertile land changes into a desert area that is caused due to the lack of rainfall, cutting down trees and droughts.

This takes place in the arid, dry sub-humid areas and also occurs extensively in Africa. In Africa, desertification is taking place due to the following reasons-

(1) Deforestation process

(2) Overgrazing of animals

(3) Absence of rainfall

(4) Droughts

Thus, the above-given statement is False.

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12