Geog: Water Resources

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Across
  1. 5. Fresh water resources are increasingly being ____
  2. 7. Process of removing salt from sea
  3. 8. Rising demand for water causes problem for ____ regions
  4. 9. Process of filtering water to remove larger sized particles and bacteria from water
  5. 11. Water storage is also know as water _____
  6. 14. In USA, 38% of fresh water supply is used on
  7. 15. Method for increasing water supply of drier region
  8. 16. ___ are conserved to build water catchment areas
  9. 17. International agreements do not last forever and ____
  10. 19. A convenient way of obtaining water from another country
  11. 20. Rain is a ___ event
Down
  1. 1. Lake ___ in Russia is heavily polluted with waste chemicals
  2. 2. Change of this have increased the demand for water
  3. 3. An area over which rainfalls is collected
  4. 4. Use of these items will lead to an increase demand for water
  5. 6. An arrangement between countries regarding water resources
  6. 10. Better respond to ensure water is enough to meet the rising demand of water
  7. 12. Singapore's use of modern technology to further treat used water
  8. 13. Lesser ____ leads to insufficient water supply overtime
  9. 18. Increasing this to control the rising demand for water