Answer:
Why are there no living cats on Mars?
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
I always go to bed with my shoes on. What am I?
I am always in front of you, but you will never see me. What am I?
I have a head and a tail but my eyes can never see my tail.
No matter how little or how much you use me, you change me every month.