| A | B |
| watershed | a land area that drains into a river swamp, march, ocean |
| runoff | water that runs over the earth's surface and flows into streams |
| Turbidity | A measure of how much light passes through water |
| Disolved oxygen | important water quality paramter with state standard of 6ppm |
| nitrogen and phosphates | two groups of nutriants that promote plant growth in streams and lakes |
| pH | A measure of how acid or alkiline water is |
| point source polution | you can point to the source of polution, such as a pipe or smokestack |
| non point source polution | polution carried to body of water or ground water by run off |
| Biochemical Oxygen Demand | Measure of how much oxygen is being used up by microorganisms |
| Solution | Mixture of two or more things in which the solute is held to the solvent by week chemical bonds |
| Solvent | Part of solution there is the most of |
| Solute | Part of solution in smaller quantity |
| Coliform bacteria | Bacteria found in poop of warm blooded animals |
| phosphates source | Detergents and strong soaps |
| nitrate | a compound containing nitrogen that is a plant nutrient |
| estuary | area where fresh water from a river and salt water from the ocean mis |
| disolved oxygen | form of oxygen in water that can be breathed by fish and other gilled animals |
| hypoxia | water with too little disolved oxygen in it to support a healthy aquatic ecosystem |