The biggest problem that arises because of over exploitation of ground water in coastal areas is ........

Geography India - Water bodies

The biggest problem that arises because of over exploitation of ground water in coastal areas is:

Decrease in water table

Ground subsidence

Saline water intrusion

Contamination by radioactive minerals

3rd option is correct.
The biggest problem that arises because of over exploitation of ground water in coastal areas is saline water intrusion.

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