What is the primary cause of subsidence in urban areas?
A. Heavy rainfall
B. Mining activities
C. Construction debris
D. Deforestation
Answer: Option B
Solution (By Examveda Team)
Mining activities like underground excavation cause voids, leading to subsidence of the ground above.Improperly backfilled or abandoned mines are particularly risky.This Question Belongs to Geological Engineering >> Geological Hazards
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