Which best describes sublimation?
A.
It is a phase change in which a substance changes from a solid to a gas or vapor without changing into a liquid first.
B.
It is a phase change in which a solid or gas changes into a liquid before changing into a gas or vapor.
C.
It is a phase change in which a gas or vapor changes into a solid without first changing into a liquid.
D.
It is a phase change in which a gas or vapor changes into a solid after changing into a liquid.