Answer:
What goes through a door but never goes in. And never comes out?
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
No matter how little or how much you use me, you change me every month.
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
Jack and Jill when up the hill jack fell down
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.