Across
- 1. a valuable raw material occurring in nature
- 8. a facility converting seawater into freshwater
- 11. drinking water to replenish moisture levels
- 12. a barrier constructed to hold back water
- 14. resource cannot be naturally replenished
- 16. a large vehicle with tank
- 17. a large artificial lake storing water
- 18. a large natural body of water
- 20. large meandering streams of fresh water
- 21. a well or pipe drilled into aquifer
Down
- 2. water used for hygiene
- 3. massive frozen sheets of ice
- 4. drinking water
- 5. groundwater stored in rock beneath the earth
- 6. area of land covered by freshwater and plants
- 7. a resource which does not run out
- 9. domestic storage device
- 10. ongoing ability to maintain life
- 13. slow moving rivers of ice
- 15. reclaimed water to be reused
- 16. an elevated water tank which distributes water
- 19. smaller streams of fresh water