Surface Water pH

2. When water and CO2 combine the pH of the water body is ___.
5. This acid is produced as a result of coal mine drainage.
6. Another term for “basic”.
9. One of the general lithosphere components that can contribute to stream neutralization.
14. A recently hatched fish with a yolk sack that has nearly disappeared and a functional swim bladder.
17. Organisms that lack a spine and are large enough to be seen with the naked eye.
20. To cause the pH to move or change toward 7.
21. A material with a pH of 7.
22. Large enough to be seen with the naked eye.
23. In addition to acid rain, acidic ___ can also contribute acid to streams.

1. Sometimes acidic pH and other substances combine and produce an effect which is greater than the sum of their individual effects.
3. Altered pH water discharged into a body of water.
4. Another of the general lithosphere components that can contribute to stream neutralization.
7. A material with a pH of less than 7.
8. Organisms that lack a spine.
10. When organic material chemically breaks-down in surface water ___ is generated.
11. A common rock type which contributes to stream neutralization.
12. When water and CO2 combine ___ is generated.
13. When organic material ___ in surface water an acid is generated.
15. A material with a pH of greater than 7.
16. ___ drainage is another factor which can negatively impact stream water pH.
18. Every ___ unit change in pH represents a BBB change in acidity.
19. Every BBB unit change in pH represents a ___ change in acidity.