A delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Delta greek symbol, looks like a triangle.
 deposition of sediment at the mouth of a river by water fanning out is called by a greek letter.
The deposition of sediment at the mouth of a river by water fanning out is called by what name?
Options:
1. unidirectional
2. Sediment
3. Calcium carbonate
4. patch reefs
5. A Greek letter
6. barrel-shaped
7. swamp vegetation
8. flooding