water resources

1234567891011121314151617181920
Across
  1. 2. the supply of water
  2. 4. area where rain falls and is collected
  3. 5. process of removing salt from sea water
  4. 7. process of filtering water to remove larger sized particles
  5. 12. used water that goes through the reclamation process
  6. 16. the problem of water shortage
  7. 17. used water that goes through the recycling process
  8. 20. to create new water resources
Down
  1. 1. being in a weak or unfavourable position
  2. 3. refers to the careful use of water resources
  3. 6. where water is not clean and has impurities
  4. 8. an agreement between two or more countries regarding use of water resources
  5. 9. process of forcing water through a special membrane
  6. 10. freshwater that is stored in rivers,streams and lakes
  7. 11. where water is collected and stored for use
  8. 13. needed for drinking
  9. 14. where water is clean and pure
  10. 15. water that comes from rain
  11. 18. process of water filtration
  12. 19. the growing of crops