Across
- 3. synonym of effect
- 5. a place where trash is gathered
- 7. destroying forests
- 8. they purify the air but the man cut them
- 10. released from factories and pollute the air
Down
- 1. disappearance of animals
- 2. the synonym of rubbish
- 4. reusing materials
- 6. adjective derived from danger
- 9. synonym of protect
