1. Africa Chapter 1 Vocabulary Review Click once to see the definition, click again to see the definition with the key word.

2. rich in the substances plants need to grow

3. FERTILE rich in the substances plants need to grow

4. a fertile place in a desert where there is water and vegetation

5. OASIS a fertile place in a desert where there is water and vegetation

6. a river or stream that flows into a larger river

7. TRIBUTARY a river or stream that flows into a larger river

8. a region of tall grasses with scattered trees

9. SAVANNA a region of tall grasses with scattered trees

10. a deep crack in the Earth's surface

11. RIFT a deep crack in the Earth's surface

12. a crop that is raised for sale

13. CASH CROP a crop that is raised for sale

14. a system for producing, distributing, consuming, and owning goods & services

15. ECONOMY a system for producing, distributing, consuming, and owning goods & services

16. to supply with water through a ditch, pipe, channel, or sprinkler

17. IRRIGATE to supply with water through a ditch, pipe, channel, or sprinkler

18. raising just enough crops to support one's family

19. SUBISTENCE FARMING raising just enough crops to support one's family

20. the height of land above sea level

21. ELEVATION the height of land above sea level

22. to add variety to; to expand a country's economy by increasing the variety of goods produced

23. DIVERSIFY to add variety to; to expand a country's economy by increasing the variety of goods produced

24. a person who has no permanent, settled home & who instead moves from place to place

25. NOMAD a person who has no permanent, settled home & who instead moves from place to place

26. a long period of little or no rain

27. DROUGHT a long period of little or no rain

28. rich in the substances plants need to grow

29. FERTILE rich in the substances plants need to grow