Asandbar is formed by water moving sediment downstream, and native species, such as cranes, use open water and barren sandbars for roosting at night. Given these facts, what happens on the formation where water moves sediment downstream among the following options:
- mechanical
 - watershred
 - erosion
 - cranes roost
 - near the shoreline
 - streams.
 - it can be seen
 - swamp vegetation


 

    cranes roost     