Choose from: (I) exposure to cold (II) degrees celcius (III) molecules joining together (IV) rain or sun shine (V) Warm air moving into cold air (VI) molecules separating (VII) molecules becoming nothing (VIII) molecules exploding

Fact 1: Condensing means changing from a gas into a liquid by reducing heat energy. Fact 2: Condensation involves molecules joining together with the release of water. Given the two facts above, what results in changing from a gas into a liquid by reducing heat energy?
Answer:
(III)