Answer:
I cannot be burned in fire or drowned in water. What am I?
What kind of table can you eat?
When it comes to me, you go on red and stops on green. What am I?
I am easy to waste and unstoppable
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.