The Desert runs through West and Central Africa. It stretches from the Atlantic to the Ocean. Farmers here practice agriculture, moving to a new location when soil nutrients are used up.
1.Sahel
2. Indian
3. Shifting

These factors have contributed to desertification.
farming
overgrazing
population growth

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

What two properties affect the density of ocean water

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra