Which phenomenon occurs when water vapor changes state to liquid or solid?

The correct answer is weather because it refers to the short-term atmospheric conditions, including the processes that involve the transition of water vapor into liquid or solid states, such as condensation and precipitation. Weather phenomena like rain, snow, and fog occur due to these changes.

Understanding this concept is crucial in meteorology as it helps explain how weather patterns develop and affect the environment we experience daily. For instance, when water vapor rises, cools, and condenses, it can form clouds, which eventually lead to precipitation.

On the other hand, climate encompasses long-term averages and patterns of weather over extended periods and is not concerned with the immediate processes of water vapor transitioning. Humidity is a measure of the amount of water vapor in the air but does not directly describe the process of vapor changing state. Pressure relates to atmospheric conditions but does not specifically address the state changes of water vapor.