Happy Earth Day

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Across
  1. 2. to make land or water dirty
  2. 3. a natural resource that can be replenished naturally
  3. 9. a decayed mixture of plants
  4. 12. sending out gas
  5. 13. the area in which something exists or lives
  6. 14. trash left lying in an open place
Down
  1. 1. to avoid wasteful activities or behaviors
  2. 4. everything that exists in an environment
  3. 5. the air that surrounds the earth
  4. 6. related to the sun
  5. 7. to make something new from already used materials
  6. 8. the place where a plant or animal lives naturally
  7. 10. an area where waste materials are buried underground
  8. 11. no longer existing