Water Rescourse Crossword Puzzle

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Across
  1. 4. when we save water,we are
  2. 7. when everyone is fightning for it
  3. 8. without water,we decrease our _________ but when we drink water we increase our __________
  4. 9. the shortage of waterto meet the needs of the people
  5. 10. another word for recycled water
  6. 11. large particles are trapped here
  7. 18. when 2 countries agree on sharing water for a period of time
  8. 19. when rain falls,water would be collected here
  9. 20. this is the process of removing salt from water
Down
  1. 1. this is the thing that water is forced through
  2. 2. water is disinfected using this process
  3. 3. a lot of water is used here
  4. 5. this is removed from water
  5. 6. when technlogy increases, the _________ of water production increases
  6. 12. this process is when pressure is applied to water to force it through a membrane
  7. 13. water is cleared with this process
  8. 14. waste materials are thrown in the water and cause
  9. 15. without water in the country,what must we do?
  10. 16. the water gets collected here
  11. 17. when this improves,costs of purifying water decreases