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Which is not a method of groundwater exploration?

A. Resistivity survey

B. Magnetic survey

C. Seismic refraction

D. Remote sensing

Answer: Option B

Solution (By Examveda Team)

Magnetic surveys are used to detect magnetic anomalies in rocks, not water.Groundwater exploration mainly uses resistivity, seismic, and remote sensing methods.Correct Answer: Magnetic survey.

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