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2
Q:

Which is a common first indicator of an approaching thunderstorm?

A) too hot B) heavy wind
C) a buildup of dark clouds D) lightning

Answer:   C) a buildup of dark clouds



Explanation:

The first indicator of an approaching thunderstorm is a buildup of dark clouds.

A thunderstorm is a storm with lightning and thunder; it is usually produced by heavy rain, gusty wind, and the cumulonimbus cloud. The thunderstorm is made up of moisture, unstable air and lift.

Subject: Physics
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