Answer:
I pass before the sun, but make no shadow.
What has a head, a tail, is brown, and has no legs?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
Green arrows grow out of my sides. I go from yellow to white. My babies fly in the wind. What am I?
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.