Who Polluted the River?

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Across
  1. 3. What we should clean up to keep the river clean.
  2. 5. When the river water turned brown and became dirty.
  3. 8. Used to wash cars but could pollute the river if not careful.
  4. 11. These released waste and chemicals into the river.
  5. 12. These people used pesticides that washed into the river.
  6. 13. This leaks from cars and can pollute the water.
  7. 14. This was washed into the river from building sites.
Down
  1. 1. The water that people used for drinking and bathing.
  2. 2. Animals that swam in the clean water before it was polluted.
  3. 4. What we should do with items like paper, plastic, and glass to help the environment.
  4. 6. Natural materials that could fall into the river.
  5. 7. A family event that might leave litter by the riverbank.
  6. 9. We all have a role to play in keeping the river this way.
  7. 10. The group of people who all contributed to the river's pollution.
  8. 11. Activity where people left lines and trash near the river.