Answer:
I have roots that no one sees and I am taller than trees. Up, up I go, but never do I grow. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
What has to be broken before you can use it?
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.