Which of the following is not a method of water conservation
(a) rain water harvesting (b) ground water extraction
(c) improving irrigation efficiency (d) avoiding water wastge
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a part of rainwater percolates in the rocks and available to us as ground water or in other words the water found beneath the solid surface is called ground water. so it is a natural phenomenon. on the other hand, water conservation is a man made method to conserve water by harvesting rain water improving irrigation and avoiding water waste..
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option b) ground water extraction is not a method of water conservation.
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