Answer:
How many bricks does it take to complete a building made of brick?
I have eighty-eight keys but cannot open a single door? What am I?
I am your mother's brother's only brother in law. Who am I?
I cannot be felt, seen or touched; Yet I can be found in everybody; My existence is always in debate; Yet there is a style of music named after me.
In birth I spring forth, in life I unfold. In death I wilt and die, but rebirth restores all.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?