A semiarid area in the southern Sahara.
Sahel
A large dry area in northern Africa.
Sahara
A hot an humid area with an abundance of trees and rainfall.
Tropical Rainforest
A grassland like area with grazing animals.
Savannas
The process in which land begins to lack in nutrients and become desert like.
Desertification
When a lot of trees are cut down and sometimes burned.
Deforestation
When an area has a lack of water (it dried up) and rainfall.
Drought
When there is an extreme lack of food supply in an area.
famine
A person or people travel to find new land to grow crops or graze livestock.
Nomads
Farming so that you can live of the crops you grow.
Subsistence farming
When a species of animals are at risk for being extinct.
Endangered Species
When natural resources become poisonous and are unsafe to use.
pollution