Jessica took a mylar balloon outside on a very cold day. as she waited for the bus the balloon began to shrink. what is the best explanation of this? a) as the particles became cooler, they lost energy and moved less, resulting in less pressure on the balloon. b) as the particles became cooler, they gained energy and moved less, resulting in less pressure on the balloon. c) as the particles became cooler, they lost energy and moved less, resulting in more pressure on the balloon. d) as the particles became cooler, they gained energy and moved less, resulting in more pressure on the balloon.