1. Carolina bays are elliptical to circular depressions concentrated all along the East Coast.
3. Natural pit or sinkhole that exposes groundwater underneath
4. Narrow body of water.
5. Amphitheatre-like valley formed by glacial erosion.
8. Area of flat, low-lying land adjacent to a seacoast.
9. Lowest point on a mountain ridge between two peaks
10. Large impact craters with uplifted centres