water pollution :)

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Across
  1. 3. water pollution in which is hard to track
  2. 4. carries water after rainfall or snowfall
  3. 8. worlds most polluted water
  4. 9. most common source of water pollution
  5. 10. a cycle of which water gets evaporated and released
  6. 11. makes up 97% of earths water
Down
  1. 1. release of oil into the water
  2. 2. water pollution in which is easy to track where it came from
  3. 5. water found on the worlds surface
  4. 6. makes up 3% of earths water
  5. 7. water found underground