Science.

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Across
  1. 4. natural occurring water that is not salty and is sustainable for drinking if clean
  2. 8. process which deep cold water rises towards the surface
  3. 10. Water is confined under pressure below layers of relatively imparable rock
  4. 11. Underground boundary between the soil surface and the area where water saturates
  5. 15. Water held underground in soil or pores and crevices of the rock
  6. 17. When water pressure causes at natural flow of ground water onto the earths surface
  7. 18. Weight of a substance for a specific volume
  8. 20. Artificial application of water to soil various tubes and systems
  9. 22. Process where water vapor becomes liquid
  10. 23. Body of permeable rock which can obtain or transmit ground water
  11. 24. dip in the earths surface
  12. 25. Not allowing fluid to pass through
Down
  1. 1. Process of turning liquid into vapor
  2. 2. Of a material or membrane allowing liquids and gasses passing through
  3. 3. rain sleet snow or hail that falls to the ground
  4. 5. The ratio quantity of a material energy in a system to its outflow rate
  5. 6. Elevated boundary separating areas that are drained by different river systems
  6. 7. amount of a substance that is a certain amount of liquid
  7. 9. Naturally occurring salty especially seawater or water which salt has been added
  8. 12. when environment becomes enriched with nutrients increasing amount of plat and algae growth
  9. 13. Measure of dissolved salts in water
  10. 14. Water is faced downwards where it may deliver oxygen to deeper water
  11. 16. The continuous movement of water on earth
  12. 19. Production of aquatic organisms under controlled conditions throughout parts or all there life cycle
  13. 21. Large mass of ice detached from a glacier carried out to sea