Answer:
What bone has a sense of humor?
You are my brother, but I am not your brother. Who am I?
I can wake you up in the morning but I require no electricity or winding. What am I?
What is cut on a table but is never eaten?
I am a shimmering field that reaches far. Yet I have no tracks and am crossed without paths.
No matter how little or how much you use me, you change me every month.