You are presented with the question "What happens on the formation where water moves sediment downstream?" and the following answer choices: 
- mechanical
 - watershred
 - erosion
 - cranes roost
 - near the shoreline
 - streams.
 - it can be seen
 - swamp vegetation

Now knowing that asandbar is formed by water moving sediment downstream and native species, such as cranes, use open water and barren sandbars for roosting at night, choose the best answer.


 

    cranes roost     