Because if they are submerged in the solvent, they would dissolve! This would prevent them from seperating and not allow you to actually record anything
This process is called meiosis! good luck!
The balloon would be smaller and not float as well because of the low temperature. The particles in the balloon when in the car will slow down and get closer together because of the low temperature. That caused it to become more dense and smaller in size then before. When in the store, the particulars in the balloon we’re moving faster and more spread apart
Your answer is probably
Vaporization point