chapter 8: water resources

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Across
  1. 2. 2% of freshwater is ___.
  2. 5. the process of removing salt from sea water.
  3. 9. People have used _____ to create new sources of water.
  4. 10. Only 1% of the Earth's water is fresh water thet is readily avilable for human ____.
  5. 12. Rainwater is much cleaner than used water and does not contain salt like seawater so it is easier and less costly to _____.
  6. 14. Tap 2:_____ water.
  7. 15. water conservation requires ___ from everyone.
  8. 17. Tap 1:water from ____ catchment area.
  9. 18. Many people in India and Bangladesh depend on the Ganges river for their supply of _____ water.
  10. 19. People may not get used to the idea of drinking recycled water as the ______ are removed in the process.
  11. 20. ____ is important for life on earth
Down
  1. 1. Tap 4:_____ water.(hint: water from sea)
  2. 3. we should use water ____ to ensure minimum wastage.
  3. 4. One way to save water is to rinse your teeth using a tumbler instead of a ______ tap.
  4. 6. An ____ agreement on water is an arrangement between two or more countries regarding the supply and use of water resources over a specific period of time.
  5. 7. The problem of water shortage is often referred to as water ______.
  6. 8. A ____ area is an area over which rain falls and is collected.
  7. 11. there are various methods of desalination. One such method is reverse _______.
  8. 13. Used water can be converted into usable water. The end product is referred to as recycled water or ____ water.
  9. 16. Tap 3:____.