earth day

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Across
  1. 2. a area that keeps air in
  2. 5. a area creatures live
  3. 9. from organic matter
  4. 11. able to live in
  5. 12. the surroundings
  6. 14. thrown junk
  7. 15. to dirty the air
  8. 17. how much stuff is being produced
  9. 19. to keep safe
Down
  1. 1. a place trash goes
  2. 3. science about living matter
  3. 4. a layer around the earth
  4. 6. able to use again
  5. 7. a group of animals that intercact
  6. 8. keep intact for long periods
  7. 10. to recycle food
  8. 13. to reuse
  9. 16. a creature goes away
  10. 18. related to sun