Across
- 4. decomposed by bacteria or other living organisms
- 5. produced production without using chemicals
- 7. make smaller or less
- 9. trash lying in an open or public place
- 12. gases surrounding the earth or another planet
- 13. contaminate with harmful or poisonous substances
- 14. coming from the sun
- 15. the environment of an animal or plant
Down
- 1. a place to dispose of refuse and other waste material the matter from which a thing is or can be made
- 2. no longer in existence
- 3. increase of temperature in the earth's atmosphere
- 6. convert waste into reusable material
- 8. community of organisms and the environment
- 10. decayed organic material used as a plant fertilizer
- 11. capable of being renewed