Across
- 2. high water temperatures reduce this in the water.
- 4. oxygen rich water
- 5. measure of the ability of water to pass an electrical current.
- 7. material, can smother fish eggs
- 9. amount of oxygen available to living aquatic organisms.
Down
- 1. pH level 8 1o 14
- 3. materials include this
- 6. level 1 to 6
- 8. determines the solubility