Across
- 3. what can you do with rubbish?
- 5. something that rots naturally
- 7. _______ effect
- 12. a nasty insect
- 13. petrol without a dangerous metal
- 14. dying out
- 15. a part of a tree, smaller than a branch
- 17. nature and the world around you
- 18. this bird brings babies
Down
- 1. a turtle that lives on land
- 2. another word for trash
- 4. cutting down trees
- 6. the opposite of above
- 8. smoke+fog
- 9. Centigrade or ______
- 10. the effect of making the earth dirty
- 11. the place where they dump trash
- 16. agricultural plants