One example of deposition is the process by which, in sub-freezing air, [[water]] vapor changes directly to [[ice]] without first becoming a liquid. This is how [[snow]] forms in [[cloud]]s, as well as frost and hoar frost on the ground. | One example of deposition is the process by which, in sub-freezing air, [[water]] vapor changes directly to [[ice]] without first becoming a liquid. This is how [[snow]] forms in [[cloud]]s, as well as frost and hoar frost on the ground. |