Water Underground

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Across
  1. 2. The top of the saturated zone
  2. 3. underground layer of permeable rock or sediment that holds water and allows it to flow
  3. 6. Large and connected pores such as sand and gravel allow to pass through
  4. 7. layers that contain air as well as water so they are not saturated or filled with water
Down
  1. 1. water rises on its own because of pressure within an aquifer
  2. 4. where the pores in the ground are saturated with water
  3. 5. Water cannot pass through easily