What is the most common source of urban groundwater contamination?
A. Industrial waste discharge
B. Agricultural runoff
C. Domestic sewage leakage
D. Natural mineral dissolution
Answer: Option C
Solution (By Examveda Team)
Domestic sewage leakage often seeps into groundwater in urban areas due to faulty septic systems and sewer lines.This leads to contamination with pathogens and nutrients.This Question Belongs to Geological Engineering >> Environmental Geology And Sustainability
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