Across
- 1. decayed
- 4. waste potentially harmful to the environment
- 6. to use less
- 7. use once
- 10. harmful material
- 11. again
- 13. Waste cleaning supplies
Down
- 1. protecting the environment
- 2. pollution substances are introduced to water
- 3. burying it and covering over it with soil
- 5. make them into new items
- 8. pollution gathered in landfills
- 9. break down in the environment
- 12. material largest component of garbage