Answer:
What building has the most stories?
How many bricks does it take to complete a building made of brick?
What do you have in December that you don't have in any other month?
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?