Answer:
I have cities without people forests without trees and oceans without water. What am I?
I was not born but I am here. I have no name but I am given many. I was made by science and life
Ripped from my ancestors home beaten and burned I become a bloodthirsty killer.
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble. What are they?
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.