Condensation is the change of
the substance from liquid to solid phase. Example of this is the formation of
ice. Vaporization is the change of substance from liquid to gas phase. Example
of this is the boiling of water. Deposition is the change of a substance from
gas to solid phase. Example of this is the formation of ice on a winter day.
Sublimation is the change of a substance from solid to gas phase. Example of
this is dry ice. These are all examples of a phase change. The answer is letter A.
