What is the anvil of a thunderstorm cloud?
AThe dark base of the cloud
BSpread-out ice crystal top
CThe lowest rain-filled layer
DA tornado under the cloud
Answer & Solution
Correct answer: B. Spread-out ice crystal top
1. Upper winds spread small ice crystals sideways from the cloud top.
2. This spread-out part is called the anvil.
3. It is not the base, rain layer or a tornado.
_Source: Wikipedia, Lightning, Charge separation in thunderstorms_
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