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Question

Choose the different types of floods caused by natural factors.

A
Drainage floods
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B
River floods
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C
Coastal floods
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D
Flash floods
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Solution

The correct options are
B River floods
C Coastal floods
D Flash floods
When a flood occurs within six hours of heavy rainfall, it is called a flash flood.

When the melting of snow or precipitation over a large catchment causes rivers to overflow, it then is called a river flood.

If a flood is associated with cyclone, high tides, and tsunamis, it is called a coastal flood.

Floods caused by poor drainage systems are not categorised are natural floods.

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