Answer:
I save lives on the ground and in the air
The more you look at me The less you see.
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
I let water fall on you while everyone else stays dry. What am I?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
What did the grape do when he got stepped on?