Why do clouds form when moist air rises high up?
AThe Sun pushes the vapour back down
BThe air becomes hotter and dries out
CIt cools and its vapour forms droplets
DThe air stops moving completely
Answer & Solution
Correct answer: C. It cools and its vapour forms droplets
Higher up the pressure and temperature fall, so water vapour condenses into tiny droplets that make a cloud.
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