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There Are Ten Tube Wells in a Lane of Fifty Houses. What Could Be the Long Term Impact on the Water Table? - CBSE Class 7 - Science

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Question

There are ten tube wells in a lane of fifty houses. What could be the long term impact on the water table?

Solution 1

If the people of the fifty houses use the ten tube wells, then the water required by them is drawn from the ground. If these tube wells are used for long time, then the ground water would be reduced and the water table would go down.

Solution 2

The effect on the water table depends on the replenishment of underground water. Only five families will share a tubewell, the water used for daily domestic purposes will not effect the water table. But if there is shortage of rains, the water used by the family will not replenished and water table will fall down.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 7 (2018 to Current)
Chapter 16: Water: A Precious Resource
Q: 3 | Page no. 203
Solution There Are Ten Tube Wells in a Lane of Fifty Houses. What Could Be the Long Term Impact on the Water Table? Concept: Groundwater as an Important Source of Water.
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