Question

the condensation of water droplets on a glass of iced tea is an example of a

all of these are correct.
polymerization.
phase change.
chemical reaction.

Explanation:

Condensation is the process where water vapor changes from a gas to a liquid. It is a phase - change process and not a chemical reaction (no new substances are formed) or polymerization (formation of polymers).

Answer:

C. phase change