Across
- 3. situation in which land is repeatedly farmed so that soil nutrients are depleted
- 4. a natural or artificial lake used as a source of water
- 9. the movement of weathered rock and material by wind, glaciers, and moving water
- 11. process in which arable land becomes desert; the destruction of land in arid and semiarid climates
- 13. a hot, dry wind that blows from the northeast or east in the western Sahara
- 15. illegal hunting
- 16. plain- a plain formed by the deposit of sediment over a long period of time
- 17. steep cliff or slope between a higher and lower land surface; a steep cliff or slope between a higher and lower land surface
Down
- 1. to adapt plants and animals from the wild for human use
- 2. a crack or break in the earth's crust
- 5. public services or systems such as power, water and sewage, transportation and communication networks, and schools and health care facilities
- 6. a large group of people descended from the same ancestor; a family group, a group of close-knit, interrelated families
- 7. a large waterfall
- 8. traditional oral historians, storytellers, singers, and musicians of West Africa
- 10. native to a place
- 12. the band of land extending from Senegal to Somalia; also called the African Transition Zone
- 14. belief that nature, such as animals, and mountains, have spirits
