Answer:
It can cause deflation of tires when dropped from the rear of spy cars.
What five-letter word becomes shorter when you add two more letters?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
What is the thing that stays the same size, but the more it's used the more it decreases?
What has one eye but cannot see?
I can only be played on a windy day