| A | B |
|---|
| Tributary | a smaller river or stream that flows into a larger river or stream |
| Watershed | an area of land that collects and channels water to a larger body of water |
| River system | a river and all its tributaries |
| Wetland | an area of land that is wet some or all of the year |
| River | a larger body of flowing water |
| Estuary | a body of water where fresh and salt water mix |
| Chesapeake Bay | largest estuary in the US |
| James River | largest watershed in VA |
| Divide | a ridge of land that separates each watershed |
| Drainage Basin | watershed |
| point source pollution | you can point to the source of the pollution |
| non-point source pollution | widespread you cannot point to exactly where it comes from |
| Yadkin | smallest watershed in VA |
| Types of pollution | wastewater, chemicals, contaminants, farm pollution |
