Answer:
I help engines spin and pants stay up.
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. What am I?
I'm not alive but I grow I don't have lungs but I need air I don't have a mouth but water can kill me. What am I?
I have skin, more eyes than one. I can be very nice when I am done. What am I?
Before Mount Everest was discovered what was the highest mountain on Earth?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.