When an air package rises and cools, the water vapor condenses back to liquid water around particulates like dust, called condensation nuclei.
(an air package; rises; ) (the water vapor; condenses back; T:When an air package rises and cools) (dust; called; condensation nuclei)
an air package the water vapor dust
rises condenses back called
T:When an air package rises and cools
condensation nuclei