Answer:
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
I come in different colors and shapes. Some parts of me are curvy, some are straight. I look like I can belong anywhere but there is only one right place for me. What am I?
I am a pretty one, fluttering in the pale blue sky. Delicate, fragile on the wing, indeed I am a pretty thing. What am I?
What is the difference between a poorly dressed man on a bike, and a well-dressed man on a unicycle?
I direct you from outer space.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.