Question

the process by which a gas changes directly into a solid is called
a. evaporation
b. ionization
c. sublimation
d. deposition

Explanation:

• Evaporation is the process of a liquid turning into a gas.
• Ionization is the process of forming ions (charged particles).
• Sublimation is the process of a solid turning directly into a gas.
• Deposition is the process of a gas changing directly into a solid.

Answer:

D. Deposition