Question
In towns and cities, generally, the borewells have to be dug very deep to get water as compared to borewells dug in villages. Give suitable reasons. [2 MARKS]
Answer:
:
Each reason: 1 Mark
(a) This is so because of excessive use of water which depletes the ground water.
(b) Towns and cities have asphalted roads and vast areas of soil are concreted. As a result, rain water cannot percolate to recharge ground water and the ground water level decreases further. Villages have larger areas of open soil surface and fewer asphalted roads and concrete surfaces.
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:
Each reason: 1 Mark
(a) This is so because of excessive use of water which depletes the ground water.
(b) Towns and cities have asphalted roads and vast areas of soil are concreted. As a result, rain water cannot percolate to recharge ground water and the ground water level decreases further. Villages have larger areas of open soil surface and fewer asphalted roads and concrete surfaces.
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