Answer:
What is eaten but can also eat?
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
I am drawn by everyone without pen or pencil
What is the edge of earth and bread?
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
What never gets any wetter no matter how hard it rains?