FLOOD & WASTE CROSSWORD

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Across
  1. 1. Channel for removing excess water
  2. 3. Site for burying garbage
  3. 4. Natural disaster caused by overflowing water
  4. 6. Unwanted or discarded material
  5. 8. Contaminated water from households
  6. 9. To block a pipe or passageway
  7. 10. Common material in single use items
Down
  1. 2. Water flowing over the ground surface
  2. 5. Trash scattered in public spaces
  3. 7. Converting used materials into new ones