No littering

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Across
  1. 2. What can be caused by a dirty environment caused by trash?
  2. 5. What attitudes demonstrate concern for environmental cleanliness?
  3. 6. What disasters can occur if trash clogs drains?
  4. 8. Who is responsible for maintaining environmental cleanliness?
  5. 9. What are the benefits of a clean environment for humans?
Down
  1. 1. What should students do at school regarding cleanliness?
  2. 3. Where should trash be disposed of to prevent environmental damage?
  3. 4. When should the habit of not littering begin?
  4. 5. What habits should be adopted to keep the environment clean and healthy?
  5. 7. What happens to the environment if litter is left untreated?