Answer:
I go up and down at the same time. Up towards to sky and down towards the ground
I help engines spin and pants stay up.
A man shaves several times a day, yet he still has a beard. Who is this man?
My head bobs lazily in the sun. You think I'm cute for my face is yellow my hair is white and my body is green.
When you buy me I am costly, but the only use I have is hanging only. What am I?
Why is the letter B always cool?