Q17
Which geological feature can pose a significant risk during tunnel construction?
A.
Glacial erratics
B.
Landslide scars
C.
Active faults
AnswerD.
Soil horizons
Answer: Option C
Solution
Answer: Option C
Solution:
Active faults are fractures in the Earth's crust along which movement has occurred recently.Tunneling near active faults is risky due to potential ground movement.Correct Answer: Active faults.