Across
- 7. safest source of drinking water
- 9. 71% of Earth's water
- 12. The largest use of freshwater in the United states
- 13. An easily accessible aquifer
- 14. the removal of salt from ocean water
- 15. A deep hole drilled or dug into the ground to reach a underground
Down
- 1. a aquifer surrounded by a impenetrable layer of rock or clay
- 2. Worlds largest aquifer
- 3. Most efficient irrigation
- 4. the second largest source of freshwater
- 5. Indirect water use required to produce goods services and energy
- 6. a ecosystem where all water runoff drains into a single body of water
- 8. Underground water that is held in the soil
- 10. water that runs across the ground and does not soak in
- 11. waste water from baths, shower, ect.