From the options given below, identify the cause of depletion of the underground water level.
A
Extensive use of chemicals
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B
High usage of fertilisers
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C
Excessive irrigation
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D
High involvement of manpower
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Solution
The correct option is C Excessive irrigation Extraction of groundwater for irrigation is a common practise in many parts of the world. But, indiscriminate extraction and use of groundwater also causes problems. Over-irrigation of soil with groundwater results in depletion of groundwater level.