Answer:
I help engines spin and pants stay up. What am I?
It's red liquid but not liquid and it's not red. What is it?
I go through a door but never go in, and never come out. What am I?
I come in variety of colors and am found almost year round. My house is tall and my only fear is the cold. What am I?
I can bring tears to your eyes, resurrect the dead, make you smile, and reverse time. I form in an instant, but I last a lifetime. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.