Surface Water pH

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Across
  1. 2. Sometimes acidic pH and other substances combine and produce an effect which is greater than the sum of their individual effects.
  2. 5. When organic material ___ in surface water an acid is generated.
  3. 10. A material with a pH of greater than 7.
  4. 11. Every BBB unit change in pH represents a ___ change in acidity.
  5. 12. Organisms that lack a spine and are large enough to be seen with the naked eye.
  6. 13. This acid is produced as a result of coal mine drainage.
  7. 16. A common rock type which contributes to stream neutralization.
  8. 19. In addition to acid rain, acidic ___ can also contribute acid to streams.
  9. 20. When water and CO2 combine ___ is generated.
  10. 21. A recently hatched fish with a yolk sack that has nearly disappeared and a functional swim bladder.
  11. 23. One of the general lithosphere components that can contribute to stream neutralization.
Down
  1. 1. When water and CO2 combine the pH of the water body is ___.
  2. 3. ___ drainage is another factor which can negatively impact stream water pH.
  3. 4. To cause the pH to move or change toward 7.
  4. 6. Altered pH water discharged into a body of water.
  5. 7. Large enough to be seen with the naked eye.
  6. 8. Organisms that lack a spine.
  7. 9. When organic material chemically breaks-down in surface water ___ is generated.
  8. 14. Every ___ unit change in pH represents a BBB change in acidity.
  9. 15. A material with a pH of 7.
  10. 17. Another term for “basic”.
  11. 18. A material with a pH of less than 7.
  12. 22. Another of the general lithosphere components that can contribute to stream neutralization.