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Which problem can increase due to heavy rainfall?

Answer and explanation

Correct answer: Flood

The direct answer is C: heavy rainfall can increase flooding. The physical chain is: intense rain adds a large volume of water in a short time; soil, drains and rivers may be unable to absorb or carry it; water then spreads over normally dry land. C is correct, especially when drainage is poor or rivers overflow. A is wrong because heavy rain generally increases immediate water availability, though later water management problems can still occur. B is wrong because permanent drought means prolonged lack of rain. D is wrong because heavy rainfall adds moisture rather than causing its absence. The answer does not mean every heavy shower causes a flood; risk depends on intensity, duration, relief, drainage and land use. Memory cue: too much rain too quickly can mean flood.

Related tags

Heavy RainfallFloodWater Level

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