Answer:
I save lives on the ground and in the air. What am I?
I lose my head in the morning and regain it back at night. What am I?
If you lose me you may cause people around you to lose me too.
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?
When is it bad luck to see a black cat?