Answer:
What never asks questions but is often answered?
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?
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
How do you spell hard water with only three letters?
I am the red tongue of the earth, that buries cities.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.