Answer:
Runs smoother than any rhyme, loves to fall but cannot climb!
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
What comes once in a minute, twice in a moment, but never in a thousand years?
What is eaten but not grown and was born in water but will disappear if soaked?
Give it food and it will live, give it water and it will die.
What do angels sing in the shower?