What happens to the volume of air in a beach ball if I sit on it?

does it increase, decrease or stay the same? or:does it increase, decrease or stay the same?or:If it has a hole in it then it would probably decrease

does it increase, decrease or stay the same?

or:does it increase, decrease or stay the same?

or:If it has a hole in it then it would probably decrease but if has no holes, it would stay the same

Tags: