Q46
Which method is most commonly used for groundwater exploration?
A.
Gravity survey
B.
Resistivity survey
AnswerC.
Magnetic survey
D.
Seismic reflection
Answer: Option B
Solution
Answer: Option B
Solution:
Resistivity survey is widely used in groundwater exploration because it can detect changes in subsurface moisture content.Wet zones conduct electricity better, making them detectable.