The earth is quite amazing--here are a few different kinds
1. Fan-shaped deposit of sediment
2. Part of a river or stream that diverts from and rejoins the main channel
3. Arch-shaped natural rock formation
4. Collection of islands
5. Narrow ridge of rock which separates two valleys
6. Dry watercourse with flow after rain
7. Valley that has steeper slopes on one side
8. Ring-shaped coral reef
9. Type of heavily eroded terrain
10. Consists of a series of coalescing alluvial fans along a mountain front.
