Water Resources

Edit Answers
12345678910111213141516171819
Across
  1. 2. the process of removing salt from sea water
  2. 6. the quality or state of being impure
  3. 7. weak or unfavourable position
  4. 9. the problem of water shortage
  5. 11. a natural place where water is stored
  6. 12. ensures wastage is kept to a minimum
  7. 14. the production of crops, livestock, or poultry
  8. 15. the end product after water is recycled
  9. 18. the state or quality of being efficient
  10. 19. to ask for with proper authority
Down
  1. 1. the introduction of harmful substances or products into the environment
  2. 2. process of destroying germs
  3. 3. knowledge that people use to meet their needs
  4. 4. process of filtering water
  5. 5. a partially permeable subtance
  6. 8. an arrangement between two or more countries regarding the supply of water resources
  7. 10. when countries do not have enough clean water
  8. 13. process of forcing water through a special membrane to remove bacteria
  9. 16. to preserve
  10. 17. an area which rain falls is collected