Q75
What is the main advantage of geophysical methods in site investigation?
A.
Costly but detailed
B.
Require laboratory tests
C.
Quick and non-invasive
AnswerD.
Inaccurate at depth
Answer: Option C
Solution
Answer: Option C
Solution:
Geophysical methods are generally non-invasive, rapid, and cost-effective for preliminary subsurface investigations without excavation.