A flash flood is a flood that ________.

Is caused by heavy flooding of a river

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Occurs in urban areas

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Occurs suddenly and unexpectedly and for a short duration

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Is caused by the blocking of drains

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Solution

The correct option is C Occurs suddenly and unexpectedly and for a short duration
Flash floods are defined by the speed of flooding, not the source or location of flooding. While flash floods are often caused by heavy rainfall, they can also result from other events, such as drain blockages and cloud bursts

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