Across
- 2. Relating to living matter
- 6. Place where all trash goes
- 7. Able to be maintained
- 8. Science dealing with organisms
- 9. Maintain original state
- 11. Fertilizer for plants
- 13. Layers of gasses surrounding the planet
- 14. Harmful gasses in the stratosphere
- 15. Area used by specific organisms
- 18. The conditions you live in
- 19. No longer existing
Down
- 1. Able to be used as much as it gets created
- 3. Protect
- 4. Produced by burning fuel for power or heat
- 5. Energy from the sun
- 10. A biological community of organisms
- 12. Contaminate
- 16. Trash anywhere but the trash can
- 17. Reuse something from something else