You are presented with the question "what does a river deposit into flood plains when it floods?" and the following answer choices: 
- wildlife
 - silicate minerals
 - carbon dioxide
 - objects that have mass
 - swamp vegetation
 - salt and water.
 - limestone
 - Calcium carbonate

Now knowing that when a river floods , that river deposits soil in flood plains and soils are largely composed of silicate minerals, choose the best answer.


 

  silicate minerals       