Riddle

I have a mighty roar and run forever, though I never move at all.

Choose an answer

A.A rock
B.A feather
C.A sponge
D.A waterfall
Hint: It's a 2-word phrase with 10 letters, starting with "A".

Answer

A waterfall

Why this is the answer

Think about the literal properties of a 'a waterfall.'. The riddle uses metaphors to describe its physical form or function.

This riddle is filed under Expert Riddles for Adults and rated Hard.