Across
- 2. lack of rainfall
- 3. semi-arid strip of land
- 5. a person who does not stay in the same place for long
- 7. scarcity of food
- 8. a substance that harms the environment
- 9. farming only for their family
Down
- 1. rainy and humid climate
- 2. in which fertile land becomes a desert
- 4. species that is likely to become extinct
- 6. the clearing of a wide area of trees
- 9. grassland ecosystem
- 10. the largest desert in Africa
