drinking water

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Across
  1. 2. first people to clean water
  2. 8. to move downward through openings in the soil
  3. 10. measures the amount of water coming into your house
  4. 11. a single drop of water contains billions of them
  5. 12. located at the north and south poles
  6. 13. kills germs
  7. 14. water that travels over the ground surface; fills lakes
Down
  1. 1. pools of water underground
  2. 2. water turns into a gas
  3. 3. rain, snow, sleet, or hail
  4. 4. another word for the water cycle
  5. 5. water we can actually use
  6. 6. frozen water
  7. 7. the smallest particle of an element
  8. 9. filled with salt and other minerals and humans cannot drink