Answer:
What can fill up a room that takes up no space
I have many letters, And though it's strange to say, I stay the same no matter how many I give away.
Why doesn't the Pope like trigonometry?
What do elfs learn in school?
Why do birds fly south for the winter?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?