Gaseous water vapor can frost the windows of a car on a cold morning.This process of a gas changing directly into a solid is known as:

Question

Quizplus · Accepted Answer

The process described in the question is the direct change of water vapor (gas) into frost (solid) without going through the intermediate liquid state. This is known as deposition. Melting is the process of changing a solid into a liquid, while condensation is the process of a gas changing into a liquid. Sublimation is the opposite of deposition, where a solid changes directly into a gas. Therefore, the best choice is A) deposition.

Gaseous Water Vapor Can Frost the Windows of a Car