Across
- 1. an area of land where large amount of waste is burried deep inside the land.
- 4. layer of atmosphere to protect us from radiations
- 9. the act of cutting down or burning trees in an area.
- 10. to treat things that have already been used so that they can be used again.
Down
- 2. planting trees.
- 3. something making land ,water, air dirty .
- 5. we must not waste.
- 6. non bio degradable waste.
- 7. to watch and help an animal or environment.
- 8. to use something again.