African Geography

3. The Sahara is a desert spanning North Africa. It is the largest hot desert in the world and the third-largest desert overall
4. mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced
5. a member of a people who have no fixed residence but move from place to place usually seasonally and within a well-defined territory
6. activity or business of growing crops and raising livestock.
10. the action of clearing a wide area of trees.
11. of or belonging to a population group or subgroup made up of people who share a common cultural background or descent
14. (of a waterway or sea) able to be sailed on by ships or boats.

1. the watering of land by artificial means to foster plant growth
2. excessive grazing which causes damage to grassland.
4. relating to or denoting a method of agriculture in which existing vegetation is cut down and burned off
7. It is the transition zone between the more humid Sudanian savannas to its south and the drier Sahara to the north.
8. a prolonged dry period in the natural climate cycle that can occur anywhere in the world
9. the contamination of water sources by substances which make the water unusable
12. (of land) used or suitable for growing crops.
13. a luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
15. very dry. especially : not having enough rainfall to support agriculture.