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How does rainfall distribution help understand flood and drought?

Answer and explanation

Correct answer: High rainfall can link with flood and low rainfall with drought

Rainfall distribution helps explain why different places face different water-related risks. The amount, timing, duration, and concentration of rainfall all matter. Very heavy rain in a short period can exceed the capacity of rivers, drains, and soil, causing floods. Too little rain over a long period can reduce water supplies, damage crops, and produce drought. Thus, rainfall is an important factor, though not the only one.

Option A gives the correct basic relationship: excess rainfall can contribute to flooding, while deficient rainfall can contribute to drought. Floods also depend on relief, drainage, soil, land use, and river conditions, so rainfall alone does not explain every event. The other options wrongly deny this connection or give impossible causes. Therefore, option A is correct.

Related tags

FloodDroughtRainfall Distribution

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