Across
- 2. Long periods of low precipitation
- 4. Land becomes desert due to Drought, deforestation or bad farming
- 7. Process of destroying vegetation by placing too many animals on the same land for too long a period of time
- 8. The practice of planting a variety of crops in a specific order to gain the most productive crop yields and to conserve soil and water quality
- 9. Arid region that receives less than 10 inches of precipitation annually
- 11. Soil washes away into streams, heavy competition among plants
- 12. The process of losing soil, beach, etc. due to wind, rain and storm
Down
- 1. The contamination of fresh water
- 3. The act of cleaning area with trees
- 5. The method of bringing water to dry areas.
- 6. The place were cultivated land ends and the desert begins
- 10. People who travel from place to place with their possessions and their herding animals