You are presented with the question "What does the Euphrates form?" and the following answer choices: 
- erosion
 - a solute
 - a hurricane
 - Bodily water
 - a valley
 - Sediment
 - ancient ruins
 - a mountain

Now knowing that avalley is formed by a river flowing and and the fourth river is the Great River, the river Euphrates, choose the best answer.


 

     a valley    