Answer:
It is a form of plastic money.
Tomorrow's yesterday. Yesterday's tomorrow. What is it?
What goes up when rain comes down?
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
I am a rock group with four members. All dead one was assassinated.