Adelta is formed by deposition of sediment at the mouth of a river by water fanning out, and deltas are typical on coastlines with large rivers. Given these facts, rivers will fan out and deposit sediments near what among the following options:
- distance
 - rocks
 - coastlines
 - waterfalls
 - patch reefs
 - narrow valleys
 - forests
 - salinity


 

   coastlines      