Answer:
What is yellow, looks like the moon and has seeds?
I am nothing but holes tied to holes, yet am strong as iron.
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.
At the sound of me, one may dream or stamp their feet, At the sound of me, one may laugh or sometimes weep.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.