Q. Which instruments are used to measure minute changes in ground slope and shape of volcanoes?
A. Strain meters
B. Tiltmeter
C. Both a and b
D. None of these
Answer: C) Both A and B
We will be happy to hear your thoughts
A. Strain meters
B. Tiltmeter
C. Both a and b
D. None of these
Answer: C) Both A and B