The cloud droplets in a cloud are formed by water vapor molecules and:
A) protons.
B) condensation nuclei.
C) ions.
D) other water vapor molecules.
E) molecules of air.

Question

Quizplus · Accepted Answer

Cloud droplets are formed by water vapor molecules condensing onto small particles called condensation nuclei, such as dust, pollutants, or salt particles. These particles provide surfaces for the water vapor to condense onto and form droplets.

The Cloud Droplets in a Cloud Are Formed by Water