Water rescources

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