EARTH DAY

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Across
  1. 3. to reuse trash
  2. 5. trash in public
  3. 6. the production and discharge of something
  4. 7. able to be maintained at a certain rate
  5. 9. dead organic things for plant fertilizer environment surroundings or conditions animals live in
  6. 10. no longer in existence
  7. 12. a colorless unstable toxic gas
  8. 13. relating to or derived from living matter
  9. 15. relating to or determined by the sun
  10. 16. capable of being renewed
  11. 18. gases surrounding the earth
  12. 19. a biological community
Down
  1. 1. contaminate with harmful substances
  2. 2. maintain in its original or existing state
  3. 4. branch of biology relations of organisms
  4. 8. make reuse trash to make it worth more
  5. 11. protect from harm or destruction
  6. 14. putting trash and waste under ground
  7. 17. the natural home of animals and plants