You are presented with the question "what is formed by deposition of sediment at the mouth of a river?" and the following answer choices: 
- A solid geometric shape
 - clouds
 - h2o
 - important habitats
 - dams
 - patch reefs
 - swamp vegetation
 - at or near the margins

Now knowing that adelta is formed by deposition of sediment at the mouth of a river by water fanning out and deltas and estuaries are important habitats, choose the best answer.


 

    important habitats     