Across
- 3. plant residue
- 4. meat scraps
- 5. coffe grounds
- 8. expired drugs
- 9. wood chips
- 10. rubbish bin
- 16. used fabrics
- 18. metal
- 19. used shoes
- 20. livestock manure
- 21. paper
Down
- 1. waste poution
- 2. used clothing
- 6. animal bones
- 7. cardboard
- 11. chemical fertilizer
- 12. construction waste
- 13. rotten plant
- 14. leaf litter
- 15. rotten vegetables
- 17. used battery