Water

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Across
  1. 4. using a low-flow shower head to take short showers is an example
  2. 6. water beneath the Earth’s surface that percolates through the soil and own into the rocks
  3. 7. use of water for manufacturing, disposal of waste and to generate power
  4. 9. underground formation containing groundwater
  5. 11. largest watershed (2words)
  6. 16. water that contains wastes from homes or industry
  7. 18. providing water to plants
  8. 19. process of removing salt from salt water
  9. 20. a rock’s ability to allow the flow of water through
  10. 23. global use of the most freshwater
  11. 26. pollution that comes from many different sources that are often difficult to identify (2 words)
  12. 28. water that can be found in lakes, rivers and streams
  13. 29. pollution that comes from a specific site (2words)
  14. 30. providing water to plants (2words)
  15. 32. percent of freshwater on Earth
  16. 34. law enacted in 1972 which was designed to improve water quality (3 words)
  17. 35. zone where an area of the Earth’s surface from which water percolates down into an aquifer
Down
  1. 1. material that can be broken down by living organisms
  2. 2. 97% of the world's water resources
  3. 3. the amount of open space or pores within rock where water can seep
  4. 5. (true or false) aquifers are a part of Earth's surface water
  5. 8. a structure that is built across a river to control a river’s flow
  6. 10. caused by human activities such as fertilizer runoff
  7. 12. flowing network of surface water (2 words)
  8. 13. 77% of freshwater is this
  9. 14. what can you donate to get extra credit
  10. 15. zone area in which water travels downward to become part of an aquifer
  11. 17. introduction waste matter or chemicals into water that is harmful to organisms
  12. 20. organisms that can cause illness such as bacteria
  13. 21. most of the oil that pollutes the ocean comes from ____ from cities and towns
  14. 22. a plant nutrient that can cause the excessive growth of algae
  15. 24. irrigating crops accounts for the _____ use of water
  16. 25. hole that is dug into the ground to obtain fresh water
  17. 27. example of a watershed that drains our area (2 words)
  18. 31. treated water that is safe to drink
  19. 33. animal _____ would be classified as a pathogen