you have two identical balloons, a dowel. and a piece of string. How can you use those things to show that a gas has mass and volume?

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

i believe the answer is true.

what is the question here. i think you messed up.