Earth

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