20. All are ways done by scientists in checking if a certain location has faults active or inactive EXCEPT one. What is this?
A. Check the country's historical records
C. Observe the surroundings.
B. Check the country's outrageous achievements.
D. Study the vibrations past and present that comes from faults.
Answers & Comments
Answer:
B
Explanation:
sa ans. key ko po yan nakuha