Answer:
I have cities without people forests without trees and oceans without water. What am I?
I run up and down the stairs without moving
I am clean when Iām black dirty when Iām white.
I am needed for most animals and hardcover books. What am I?
What begins with an E but only has one letter?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.