Q:Fact 1: Water vapor condensing in clouds causes rain. Fact 2: Water vapor is a gas in the air. Given the two facts above, answer the question "What condenses in clouds to cause rain?" with the following options: - evaporation - chlorofluorocarbons - Organic compounds - carbon dioxide - a gas in the air - Chemical energy - peachleaf willow - flooding
A:
a gas in the air