Which technique is best for mapping shallow subsurface features like sinkholes?
A. Gravity survey
B. Electrical resistivity survey
C. Plate load test
D. Core drilling
Answer: Option B
Solution (By Examveda Team)
Electrical resistivity can detect anomalies such as voids, fractures, and sinkholes by measuring how current flows through the subsurface.This Question Belongs to Geological Engineering >> Site Investigation And Geotechnical Exploration
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