Across
- 2. methods of removing salt from sea water
- 3. insufficient to satisfy the need or demand
- 4. water produced locally
- 5. introduction of harmful substances to the environment
- 9. example of an area where rainfall is collected
- 10. limitation or restriction of water
- 12. an area where rainfall is collected
- 14. fresh waters stored in rivers
- 15. a river signed by a treaty in 1996
Down
- 1. water that is easier and less costly to Purify
- 2. removing salt from sea water
- 6. restricted or circumscribed
- 7. fresh water stored underground
- 8. water that is cleaned
- 11. water that is cleaned
- 13. demand for water