Across
- 3. little or no waste
- 4. natrial
- 7. air bubble
- 11. out pult harmfull things
- 15. never ending
- 17. harmfull gasses
- 19. part of the air bubble
- 20. trash
Down
- 1. reuse
- 2. biology
- 5. natral fertalizer
- 6. home
- 8. self mantained
- 9. saroundings
- 10. envirment
- 12. dump
- 13. use less
- 14. to keep well
- 16. no longer exsiting
- 18. sun energy