Answer:
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
What can go up a chimney down but canβt go down a chimney up?
I have cities without people forests without trees and oceans without water. What am I?
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
What invention lets you look right through a wall?
Why did Mickey Mouse go to outer space?