Answer:
What is neither inside the house nor outside the house but a necessity for any home?
What kind of room has no windows or doors?
A nut cracker up in a tree.
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?
What measures out time until in time all is smashed to it?
What do angels sing in the shower?