Surface Water pH

2. Sometimes acidic pH and other substances combine and produce an effect which is greater than the sum of their individual effects.
5. When organic material ___ in surface water an acid is generated.
10. A material with a pH of greater than 7.
11. Every BBB unit change in pH represents a ___ change in acidity.
12. Organisms that lack a spine and are large enough to be seen with the naked eye.
13. This acid is produced as a result of coal mine drainage.
16. A common rock type which contributes to stream neutralization.
19. In addition to acid rain, acidic ___ can also contribute acid to streams.
20. When water and CO2 combine ___ is generated.
21. A recently hatched fish with a yolk sack that has nearly disappeared and a functional swim bladder.
23. One of the general lithosphere components that can contribute to stream neutralization.

1. When water and CO2 combine the pH of the water body is ___.
3. ___ drainage is another factor which can negatively impact stream water pH.
4. To cause the pH to move or change toward 7.
6. Altered pH water discharged into a body of water.
7. Large enough to be seen with the naked eye.
8. Organisms that lack a spine.
9. When organic material chemically breaks-down in surface water ___ is generated.
14. Every ___ unit change in pH represents a BBB change in acidity.
15. A material with a pH of 7.
17. Another term for “basic”.
18. A material with a pH of less than 7.
22. Another of the general lithosphere components that can contribute to stream neutralization.