Unit 7 crossword

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Across
  1. 2. the amount of space in a substance
  2. 4. when water laves the aquifer
  3. 6. how water can become unhelthy
  4. 9. positive benifits that help an ecosystem
  5. 10. the study of that is focused on the distribution and movement of groundwater
  6. 11. water under ground
  7. 12. the highest point in a aquifer which water can be obtained.
  8. 13. the process the water goes through so it can be clean
  9. 14. a hole in the ground formed when water has dissolved underground rock till it can't support the land above it.
Down
  1. 1. a nonporous material between the water level and the ground level that separates water and water can't flow freely through it
  2. 2. the ease a substance moves through a material
  3. 3. when the pollution cant be found easily
  4. 4. Where the water underground is kept.
  5. 5. when the pollution can find easily.
  6. 7. when water goes into the aquifer
  7. 8. an aquifer that water can flow through well and it has a higher chance to get polluted