Across
- 4. Refers to the conservation of our resources
- 6. Yams vines require sticks for support
- 10. Refers to the cutting down of trees
Down
- 1. Using fire to clear the land
- 2. Replanting of forests
- 3. A gas released into the atmosphere from burning
- 5. Increases the temperature in this layer of gas
- 7. Rearing of animals and planting of crops
- 8. A vast expanse of trees
- 9. Clearing of pastures for cattle rearing