about water and pollution

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Across
  1. 4. items thrown into the ocean which makes pollution
  2. 5. circular tube that water flows through
  3. 8. dirty water
  4. 12. when oil is spilled into the fish's home
  5. 13. creatures that walk on four legs
  6. 14. a type of chemical
Down
  1. 1. big body of water
  2. 2. bad for the environment
  3. 3. towers a place to keep water
  4. 6. another word for bathroom
  5. 7. water water that comes from wells on the ground
  6. 9. one of your five sences
  7. 10. when people drink to much of polluted water
  8. 11. a way to help stop oil from spreading
  9. 15. spill blackened water