In northern climates,it is common to have a layer of frost form on cars that have been out overnight in the winter.During the day the frost layer disappears despite the temperature of the ice remaining below freezing.How?

Question

Quizplus · Accepted Answer

The frost on the car disappears during the day because it undergoes sublimation. Sublimation is the process in which a solid substance changes directly into a gas without passing through the liquid phase. In this case, the frost on the car sublimes directly from solid ice to water vapor due to the energy input from the sun's radiation. This phenomenon is common in northern climates where the temperature remains below freezing, but the sun's energy can still cause sublimation of the frost.

In Northern Climates,it Is Common to Have a Layer of Frost