Two cloud formations with precipitation are observed: Cloud A is dark gray, flat, and stretches across the entire sky. Cloud B is tall, with a cauliflower shape and visible upward motion. Which statement best explains the difference in their precipitation?
Answer
A
Cloud B produces heavier rainfall because it grows vertically in unstable air.
B
Cloud A produces intense rainfall because it stretches across a larger area of sky.
C
Cloud A produces stronger rainfall because it forms at lower altitudes in stable air.
D
Both clouds produce similar rainfall because they contain condensed water vapor.
Explanation
Cloud B’s tall, cauliflower-shaped form and visible upward motion indicate strong vertical development in unstable air, typical of cumulonimbus clouds. These clouds can produce heavy, intense showers. Cloud A’s broad, flat appearance is typical of layered clouds, which generally produce steadier, lighter precipitation, even though they cover a larger area.
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