Answer:
Travel a mile and I will change, travel a million and I will end as I started. What am I?
I am clean when Iām black dirty when Iām white.
There's not a kingdom on the earth I haven't traveled over and over and though I know not whence my birth yet when I come you know my roar. I through the town do take my flight and through the fields and meadows green and whether it be day or night I neither am nor can be seen.
You turn me over after you have traveled far. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?