Which of the following would result in the greatest erosion?

A) creek flowing down a hill
B) water sitting in a lake
C) rain soaking into the ground
D) large river flowing down a mountain

2 answers

My answer is D)
I would also say D, in the long run, D would have the greatest effect, but in the short run, a creek flowing down a hill would wash away quite abit of dirt and bugs etc.