Answer:
I make billions of dollars selling windows. Who am I?
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
The more there is the less you see.
I am a rock group that has 4 members, all of whom are dead, one of which was assassinated. What am I?
They are many and one, they wave and they drum, used to cover a stare, they go with you everywhere.
What did the grape do when he got stepped on?