Answer:
What is as light as a feather, but not even the strongest man on earth can't hold it for more than 1 c)minute?
Cut the wrong wire and it goes boom
What is always coming but never arrives?
The distance from the top of your head to the floor standing up straight.
You have it even if there is none.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.