Unit 4 Key Terms

5. The growth of a countries wealth measured by the increase in GDP
7. Someone you have descended from
10. Beliefs that have been passed down for generations
12. All of Africa found below the Sahara Desert
14. The spread of desert and poor soil
15. An ethnic group that is found along the coast
16. Someone's beliefs, customs, and traditions
17. A group of people that share characteristics
18. An ethnic group mostly found in central Ghana and has a Golden Stool as a symbol
19. A general term for over 400 ethnic groups

1. A synonym for the word farming
2. The movement of water from where it is to where it is needed
3. A group of people who share beliefs
4. The dirtiness of a liquid caused by human waste, industrial waste, oil spills etc.
6. Ideas being spread from one place to another
8. People grow crops for themselves and not to be sold
9. The process of cutting down trees and other plants
11. An ethnic group founded on the Arabian Peninsula
13. Food grown in large quantities to be sold
18. Land that can be used for farming