Answer:
Up on high I wave away but not a word can I say.
What contains zero calories, but if you consume it, you will probably gain weight?
What building has the most stories?
I grow where no flower grows, where no light touches the walls, up or down, that I don't care, was here before people were.
Which word contains 26 letters but only three syllables?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.