Answer:
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
Everyone in the world needs me. They generously give me but never take me. What am I?
I contain six letters minus one and you got twelve.
What has one head one foot and four legs?
I have three eyes and only one leg. Obey me or you will be sorry.
I am your mother's brother's only brother in law. Who am I?