science

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Across
  1. 3. another word for a underground tunnel
  2. 6. enter or gain access
  3. 11. any single identifiable source of
  4. 16. you mix these two to help get rid of
  5. 17. having pores or openings that permit liquids or gases to pass through a permeable membrane the thin layer that forms the outer boundary of a living cell or of an internal cell compartment.
  6. 20. the cleanest water
  7. 21. underground wastewater treatment
  8. 24. a complex construction or entity.
  9. 26. amount of water vapor in the air
  10. 28. the process where water vapor becomes liquid
Down
  1. 1. a regionally variant term for some meteorological phenomena
  2. 2. introduction of harmful materials into the environment.
  3. 4. a body of rock and/or sediment that holds groundwater.
  4. 5. an area of ground that has no natural external surface drainage-
  5. 7. a topography formed from the dissolution of
  6. 8. Groundwater is the water found underground in the cracks and spaces in soil, sand and rock.
  7. 9. rocks
  8. 10. huge mass of ice that moves slowly over land.
  9. 12. this organism lives the soil
  10. 13. boiling of liquid
  11. 14. an area of land that drains or “sheds” water into a specific waterbody.
  12. 15. without this it would be hard to breath
  13. 18. water that is falling out of the sky
  14. 19. a really dry place or dried up lake
  15. 22. any body of water above ground
  16. 23. the only thing that keeps us all on the ground
  17. 25. rise and fall of sea levels
  18. 27. A large body of water salt water