The Environment

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Across
  1. 2. a thing that makes air or water dirty
  2. 3. easy to see
  3. 5. related to the sea
  4. 7. a flow of water
  5. 8. trash
  6. 10. to take in water
  7. 11. a result
Down
  1. 1. the natural world
  2. 4. to make something happen
  3. 5. muddy
  4. 6. able to renew
  5. 9. to use something again