Answer:
If a man carried my burden, he would break his back. I am not big but leave silver in my tracks. What am I?
I help engines spin and pants stay up
What can travel all around the world without leaving its corner?
What can you hold in your right hand but not in your left hand?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
Give it food and it will live, give it water and it will die.