which of the following would increase the pressure of a gas?
A)Lying on an air mattress
B) Letting air out of an air mattress
C) Throwing a balloon into the air
D) Taking a breath of air.
@jdoe0001 @confluxepic @studygurl14

Question

studygurl14 · Answer

The first one I think, because you are putting your weight on it and compressing it...but d is a possibility...

perl · Answer

I agree with Studygurl . 
Pressure = k/Volume
If you reduce volume you increase pressure (assuming temperature is constant)