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