Across
- 3. convert waste into reusable material.
- 5. food scraps turning into soil
- 6. where all of the trash goes
- 8. a mixture of gases that surrounds the Earth
- 10. produced or involving production without the use of chemical
Down
- 1. a living thing that there is no more of them left
- 2. reuse discarded objects or material
- 4. the sun's rays as a source of energy
- 7. trash found around the earth that someone put there
- 9. an odorless, colorless gas