Water vapor is _____. A. a body of air that has uniform temperature and humidity. B. change water vapor to liquid (clouds, fog). C. a boundary between 2 or more air masses. D. a weather system associated with sinking air resulting in clear weather.

Answer 1

Water vapor is B. change water vapor to liquid (clouds, fog).

This option describes the process of condensation, where water vapor in the atmosphere transforms into liquid, leading to the formation of clouds or fog.