water resources

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Across
  1. 7. arrangement between 2/more countries regrading the supply and use of water resources over a specific period of time
Down
  1. 1. process of converting sea water into fresh water by removing salt from the sea water
  2. 2. an area over which rainfalls and is collected
  3. 3. process of filtering water to remove larger sized particles and bacteria from the water
  4. 4. water shortage problem
  5. 5. weak/unfavourable position
  6. 6. ensuring that wastage is kept to a minimum
  7. 8. the knowledge,skills and tools that people use to meet their needs