Fact 1: Water vapor cooling causes that water vapor to condense. Fact 2: All lenses are anti-fog coated to eliminate condensation. Given the two facts above, answer the question "What could cause lenses to fog?" with the following options: - energy of moving objects - Transpiration from plants - Water evaporating - heating liquids - Water vapor cooling - Ice sublimating - scattered light - The atmosphere
The answer to this question is:
Water vapor cooling