Humidity decreases when water vapor condenses to form very small drops of liquid water, forming clouds or growing to become rain drops.
(Humidity; decreases; T:when water vapor condenses to form very small drops of liquid water) (water vapor; condenses; to form very small drops of liquid water) (very small drops of liquid water; forming; clouds)
Humidity water vapor very small drops of liquid water
decreases condenses forming
T:when water vapor condenses to form very small drops of liquid water
to form very small drops of liquid water
clouds