water pollution

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Across
  1. 3. Excessive fluorine in water causes
  2. 6. Polluted river in Hyderabad
  3. 7. Water suitable for drinking
  4. 8. Poliutants from agriculture
Down
  1. 1. Addition of pollutants
  2. 2. Solid waste
  3. 4. Drainage water from domestic use
  4. 5. Released from factories