For a substance to change from a solid to a liquid, what must happen to its particles? A. They must gain enough kinetic energy to break out of their rigid structure and move independently.
B. They must gain enough kinetic energy to allow them to move freely while still being attracted to one another.
C. They must lose enough of their kinetic energy so that the attractions between them hold in place as they vibrate.
D. They must lose enough of their kinetic energy that their motion is influenced by the attractions between them.