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Answer: Option 3
Hail is produced by the rapid ascent of moist air. The hard pellets of ice having diameter of 5 mm or that fall from Cumulonimbus clouds, and are generally associated with thunderstorms is known as hail. They are formed by the rapid ascent of moist air; the water drops freeze, and the size of the pellets increases as more water Vapour freezes on to their surface.
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