Answer:
Goes over all the hills and hollows, Bites hard, but never swallows.
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
I help engines spin and pants stay up. What am I?
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house. What am I?
I make billions of dollars selling windows. Who am I?
Which kind of fruit must have a large wedding ceremony with lots of people in attendance?