PLEASE HELP ME.....WILL MARK BRAINLIEST ANSWER
You inflate a balloon with helium. The balloon feels stiff. Which properties of a gas BEST explain the observation?
A) The particles are moving quickly and are far apart.
B) The particles are closely packed and vibrate in place.
C) The particles slide past each other and are close together.
D) The particles are closely packed and are moving very quickly.