Question

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.

Answer 1

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.