Dr. Flores wants to know which of the forum claims is best supported by the evidence you have gathered from your previous Sim observations and the text. Select the claim you think is best supported from the options below.
A. Molecules in a substance disappear or no longer exist when a substance changes phase.
B. Molecules in a substance move differently when a substance changes phase.
C. Molecules in a substance change into a new kind of molecule during a phase change.