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Which measure should be prioritised in low rainfall areas?

Answer and explanation

Correct answer: Rainwater harvesting and water conservation

The direct answer is option D: rainwater harvesting and water conservation should be prioritised in low-rainfall areas. Low rainfall means that available water is limited and may not arrive regularly. Rainwater harvesting collects runoff from roofs, fields, and other surfaces in tanks, ponds, or recharge structures. Conservation methods such as drip irrigation, fixing leaks, mulching, and choosing suitable crops help water last longer. Option D is correct because it increases the useful supply and reduces waste. Option A is wrong because water-intensive crops require a large, reliable water supply and can worsen scarcity. Option B is wrong because ignoring wells, ponds, rivers, and other sources makes planning impossible and may increase shortage. Option C is wrong because deforestation can increase soil erosion, reduce infiltration, and damage local water security. The best approach may also include drought-resistant crops and careful groundwater use, but among the given options D is clearly the sound priority. Memory cue: little rain means save every drop.

Related tags

Low RainfallWater ConservationRainwater Harvesting

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