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Why is farming on floodplains profitable yet risky?

Answer and explanation

Correct answer: Fertile alluvial soil is available but floods can cause damage

The direct answer is A: floodplains provide fertile alluvial soil, but floods can cause damage. Rivers carry fine sediments and deposit them across nearby land during floods. This alluvial soil often contains useful minerals and can support productive farming. However, the same river may flood again, submerging crops, eroding fields, damaging homes, and sometimes threatening lives. Thus the situation contains both an advantage and a hazard. Option A is correct because it includes both sides. Option B is wrong because floodplains are specifically areas that may receive floodwater. Option C is wrong because floodplain deposits are not always barren; many are fertile, although fertility can vary. Option D is wrong because the river strongly shapes floodplains through erosion, transport, and deposition. A complete answer must not mention only good soil or only danger. Memory cue: floodplain means fertile benefit plus flood risk.

Related tags

FloodplainFarmingFlood Risk

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