Answer:
Explanation:
Push factors: Push factors are those factors that force an individual to leave a place. If not left the individual will have to risk something. some examples of push factors are Famine, drought, conflict or extreme religious activity.
Pull factors: pull factors are those factors that attract an individual or group to leave their home. It is the desirability of a place that attracts, also, called place utility. Better job opportunity, Better Economic activity and better living standards are are some factors in pull factor.
The earths most important energy sources the sun
Canada: H
Alaska: P
US: H
Cuba: P
EU: H
Canada: P
Hawaii: H
Overgrazing, which is when farmers allow livestock to graze to the point where they damage the vegetation, and deforestation, which is the process of removing trees and transforming a forest into cleared land, are also ways that humans cause desertification by removing vegetation.
