Adelta is formed by deposition of sediment at the mouth of a river by water fanning out, and alluvial deposits can form deltas where the river flows into a lake or ocean. Given these facts, what type of deposit fans out into the ocean among the following options:
- coral reef
 - Loose
 - rocks
 - patch reefs
 - erosion
 - alluvial
 - loose soil
 - Sediment


 

      alluvial   