Q36
What is the most common source of urban groundwater contamination?
A.
Industrial waste discharge
B.
Agricultural runoff
C.
Domestic sewage leakage
AnswerD.
Natural mineral dissolution
Answer: Option C
Solution
Answer: Option C
Solution:
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.