Answer:
What can be cracked before it's used?
I am the thing that is used to make your weight. What am I?
I have cities without people forests without trees and oceans without water. What am I?
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
It's in your hand though you can not feel it. Only you and time can reveal it.
Why was the cook arrested?