Water quality

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Across
  1. 4. The act or an instance of hindering, obstructing, or impeding .
  2. 5. Firmness of purpose , resolve / a fixed intention or resolution
  3. 9. Capable of being permeated or penetrated , by liquids or gases
  4. 14. The act of calibrating / a gradation that shows a position or a value.
  5. 18. The range of one’s perceptions, ideas / the extent
  6. 21. Of or relating to electrochemistry – the science of the interaction or interconversion of electric and chemical phenomena
  7. 22. Left out
  8. 23. With salt
  9. 24. Of or relatiing to direct-current electricity, especially when produced chemically.
  10. 25. Speed
  11. 26. Relating to a system of deep-water and wetlands tidal habitats characterized by fluctuating salinity and , intertidal zones.
  12. 29. Impossible to permeate
  13. 30. A vessel or vehicle capable of operating or remaining under water
  14. 31. sulfite A white crystalline or powdered compound , used in preserving food, silvering mirrors, developing photographs, and making dyes .
  15. 32. Capable of meeting financial obligations / capable of dissolving another substance
Down
  1. 1. probe A slender, flexible surgical instrument used to explore / an electrode or other device that can be placed inside something to take and convey measurements .
  2. 2. A thin plate, sheet, or layer .
  3. 3. Unit of measurement of atmospheric pressure equal to one millibar
  4. 6. The process of determining the concentration of a substance in solution by adding it to a standard reagent of known concentration
  5. 7. Over full with air
  6. 8. A thin pliable layer of tissue covering surfaces or separating or connecting region, structures or organs of a living organism .
  7. 10. Connection
  8. 11. A dense, brown, volatile, corrosive, nonmetallic liquid halogen element that exists as a diatomic, Br2, having a highly irritating vapor.
  9. 12. The ability or power to conduct or transmit heat, electricity, or sound / the conductance of a material
  10. 13. The quality or condition of being soluble
  11. 15. Movement/ unrest
  12. 16. A procedure used in volumetric analysis for determining the quantity of substance present that contains. liberates or reacts with iodine .
  13. 17. To cause to pass into solution to reduce to liquid form
  14. 19. titration Used to determine the concentration of dissolved oxygen in water samples.
  15. 20. data Data pertaining to both physiology and chemistry
  16. 26. To calculate approximitely ( the amount, extent, magnitude, position, or value of something )
  17. 27. Act or instance of immersing
  18. 28. In balance