Water

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Across
  1. 2. The percentage of rock that is empty space
  2. 4. A flowing network of rivers and streams
  3. 6. An underground formation that contains groundwater
  4. 7. The ability of rock or soil to allow water to flow through it
  5. 8. Area of the Earths surface above an aquafer
Down
  1. 1. Water beneath the Earths surface that is trapped in sediment and rock formations
  2. 3. Fresh water that runs along Earths surface
  3. 5. Area of land that is drained by a river