Water Pollution

2. Swampy area of a floodplain
4. Sediment that settles slowly within a river
6. An increased water velocity and turbulence within a river or stream
8. fast rivers, usually in mountain ranges
9. Area of land that separates where runoff flows in a different rivers or seas
11. sediment deposits left by flowing rivers typically producing fertile farmland
13. The sand, gravel, or other debris transported by rolling or sliding

1. Any tributary stream that runs parallel to a larger river for a long distance
3. Cured section of a river
5. Previous V-valley carved from downstream rivers
7. Area or flat land prone to river flooding
10. A smaller stream that feeds into a larger stream or river
12. Natural or manmade ridge of sediment
14. U shaped lake that forms when a wide meander is cut off
15. imaginary line that connects high points of a watershed