Across
- 2. a farming technique that plants are burned and put back into the soil
- 5. spreading of desert land due to the loss of plant life
- 7. a dry, semi arid region of the Sahara
Down
- 1. farming provides enough food for the farmer and his family but not enough for sale.
- 3. The cutting down of too many trees
- 4. A nomadic Arab of the desert
- 6. a grassy plain in tropical and subtropical regions, with few trees