If two air masses of air of different temperatures, both initially unsaturated, become mixed and the air temperature falls, the new air mass could become saturated.

Cumulus clouds are a common phenomenon over cool water surfaces.

It is possible for a layer of air to be convectively unstable and absolutely stable at the same time.

Water molecules changing from a vapor state to a liquid state are condensing.

The up-and-down motions in layered clouds produce globular elements that give the clouds lumpy appearances.

A strand of human hair is known to increase by 2.5 percent as the relative humidity increases from 0 to 100 percent.

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

Billow clouds form along the top of a cloud layer when changes in wind speed and direction reach a critical value and an inversion caps the cloud-forming layers.

The big city, the suburb, or the small rural village–according to Glaeser, which offers the best social environment in which to get married? Which offers the best social environment to be married?  

The Legal Principle of respondeat superior means which of the following is true?