Earth Day Crossword Puzzle

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Across
  1. 2. the layer of gases that surrounds the earth
  2. 5. to recycle something in order to create something of greater value
  3. 7. the surrounding area in which a organism lives and inhabits
  4. 8. (of an asset or resource) able to be maintained so it does not deplete
  5. 9. to contaminate the natural environment with harmful substance
  6. 11. where waste is taken to be disposed of
  7. 13. a community of living organisms and their surrounding environment
  8. 14. the environment where an organism, like a plant or animal, lives
Down
  1. 1. to process used material (like plastic or glass) in order to make it useable again
  2. 3. a layer of the atmosphere that prevents harmful ultraviolet radiation from reaching the surface of the earth
  3. 4. able to be replenished
  4. 6. decomposed organic waste used as plant fertilizer
  5. 7. the release or discharge of something, especially gases and radiation
  6. 8. having to do with or related to the sun
  7. 10. the study of organisms and their interactions with their environment
  8. 12. to leave trash and garbage in open or public spaces
  9. 13. (of a species of plant or animal) no longer in existence