You are presented with the question "Fan-shaped deposits of sediment form where?" and the following answer choices: 
- mouth of rivers
 - bottom of oceans
 - flooding
 - near the shoreline
 - the Great Barrier Reef
 - entrance of puddles
 - unidirectional
 - top of canyons

Now knowing that adelta is formed by deposition of sediment at the mouth of a river by water fanning out and deltas are usually fan-shaped deposits of sediment that form where currents slow at a river's mouth, choose the best answer.


 

 mouth of rivers        