Which of these features is most likely to have been formed by flowing water? sand dune canyon u-shaped valley root pry

Canyon

A canyon is a deep, narrow valley that exhibits steep sides. The canyon is usually formed on the mountains or plateaus as V shaped valley, when the rocks are weathered by the water of river and erosion by high speed wind current.

Therefore, on the basis of above information Canyon is a feature which is most likely to be formed by flowing water.

answer; i believe that the correct answer is (b) melosis; plz check first.good luck