Answer:
I help engines spin and pants stay up. What am I?
What is black and white and red all over?
I tremble at each breath of air and yet can heaviest burdens bear.
What is deaf, dumb, and blind, but always tells the truth?
What can run but never walks licks but never talks has a bed but never sleeps has a mouth but never eats?
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic