Water Pollution

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Across
  1. 2. also known as petroleum.
  2. 4. a long pipe, typically underground, for conveying oil, gas, over long distances.
  3. 5. deposit or dispose of garbage or waste that's not wanted.
  4. 7. a biological community of interacting organisms and their physical environment.
  5. 8. body of water.
  6. 9. turn from liquid into vapor.
  7. 10. a ship for carrying liquids especially petroleum.
Down
  1. 1. also known as poisonous.
  2. 3. the state of being contaminated.
  3. 6. the provision of drainage by sewers.