When the air temperature increases, what happens to its capacity to hold water vapor?

When the air temperature increases, its capacity to hold water vapor increases. This occurs due to the physical properties of gases; as temperature rises, the kinetic energy of the air molecules also increases. This heightened kinetic energy allows air to hold more moisture, as warmer air can accommodate a greater number of water vapor molecules before reaching saturation.

This principle is crucial in understanding various phenomena related to water restoration and environmental conditions, such as evaporation rates and humidity levels. Warmer air is less dense and can support more water vapor, which is why it's important to consider temperature when assessing potential water damage, as warmer conditions could lead to increased humidity levels, affecting both materials and restoration efforts.