Multiple choice

Which of the following is produced by the rapid ascent of moist air?

  1. Hail

  2. Fog

  3. Frost

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hail is formed when strong updrafts of moist air carry water droplets high into the atmosphere, where they freeze and accumulate layers of ice. Fog and frost are surface-level phenomena and do not require rapid vertical ascent.

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