Tamilnadu coastal belt has drinking water shortage due to: (A) high evaporation (B) sea water flooding due to tsunami (C) over exploitation of ground water by tube wells (D) seepage of sea water

Tamilnadu coastal belt has drinking water shortage due to: (A) high evaporation (B) sea water flooding due to tsunami (C) over exploitation of ground water by tube wells (D) seepage of sea water
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Answer: D 

With increasing exploitation of ground water, seepage of seawater into the earth takes place, reducing sea water level. Coastal environment plays a vital role in nation's economy by virtue of the resources, productive habitats and rich biodiversity. India has a coastline of about 7,500 kms. The coastline of Tamil Nadu has a length of about 1076 kms constitutes about 15% of the total coastal length of India and stretches along the Bay of Bengal, Indian Ocean and Arabian Sea.
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