Water Crisis Crossword

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Across
  1. 3. Removing any dirt or debris from something
  2. 5. to search into and explore very thoroughly
  3. 7. illnesses are caused by microorganisms in untreated or contaminated water.
  4. 10. is the process of removal of ions from the water
  5. 11. the process or result of oxidizing or being oxidized.
  6. 12. A group of chemicals that contains Chlorine
Down
  1. 1. a water treatment process that removes contaminants from water by using pressure to force water molecules through a semipermeable membrane
  2. 2. A substance made of only hydrogen and carbon.
  3. 4. a compound or substance that has been purified or prepared, especially artificially.
  4. 6. a process in which one substance or molecule is reduced and another oxidized; oxidation and reduction considered together as complimentary processes.
  5. 8. is an essential trace mineral not made by the body
  6. 9. found in the environment in amounts higher than what would be there naturally