Answer:

B

Explanation:

What do we mean by evaporation?  

Evaporation is the process by which a liquid turns into a gas. It is also one of the three main steps in the global water cycle.

Answer:

C. by using heat

Explanation:

Evaporation is a technique used to separate out homogeneous mixtures that contain one or more dissolved salts. The method drives off the liquid components from the solid components. The process typically involves heating the mixture until no more liquid remains.