WATER QUALITY CROSSWORD

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Across
  1. 4. HAVE A STRONG EFFECT ON SOMEONE OR SOMETHING
  2. 8. AMOUNT OF SOLID PARTICLES THAT ARE SUSPENDED IN WATER
  3. 10. SINGLE CELL ORGANISM
  4. 11. RECOVERED IN ORDER TO BE USED
  5. 13. BIOLOGICAL COMMUNITY OF INTERACTING ORGANISMS
  6. 15. LIQUID WASTE DISCHARGED INTO A BODY OF WATER
  7. 16. SUPPLY WATER TO CROPS
  8. 19. CONTAMINATED WITH HARMFUL OR POISONOUS SUBSTANCES
Down
  1. 1. MEASUREMENT OF THE AMOUNTY OF CHEMICALS OR TOXINS
  2. 2. THE QUALITY OR DEGREE OF BEING SALINE
  3. 3. INTERACTIONS OF SUBSTANCES AS IN CHEMISTRY
  4. 5. SALINITY FALLS BETWEEN FRESH AND SEA WATER
  5. 6. CONSTITUTES 21% OF EARTH'S ATMOSPHERE
  6. 7. CONTAMINATED WITH HARMFUL POISONOUS SUBSTANCES
  7. 9. ACT OF PURIFYING CLARIFYING AND SOFTENING
  8. 12. CONCERNED WITH RELATION OF LIVING ORGANISMS TO PHYSICAL SURROUNDINGS
  9. 14. MATERIAL THAT SETTLES TO THE BOTTOM
  10. 17. THE DRAINING AWAY OF WATER
  11. 18. COLORLESS TRANSPARENT LIQUID