Answer:
What building has the most stories?
I am a house with two occupants sometimes one rarely three. Break the walls eat the boarders then throw away me.
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
What goes through a door but never goes in and never comes out?
I am round. I have only one line. Circle is not my name indeed. What am I?
In birth I spring forth, in life I unfold. In death I wilt and die, but rebirth restores all.