All about Water

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Across
  1. 2. large lake used for water supply
  2. 4. is 3% of the World's Water
  3. 6. process to make water usable
  4. 9. a mass of glacial ice (less than 50,000Km2
  5. 11. Ocean that surrounds Antarctica
Down
  1. 1. a mass of glacial ice (more than 50,000Km2)
  2. 3. are made of Saltwater
  3. 5. the largest ocean
  4. 7. a poisoning metal found in old pipes of water
  5. 8. underground layer of rocks with groundwater
  6. 10. predictable direction of the Ocean water