Q113
What is the major source of arsenic contamination in groundwater?
A.
Decomposing organic matter
B.
Industrial spills
C.
Natural leaching from bedrock
AnswerD.
Fertilizer use
Answer: Option C
Solution
Answer: Option C
Solution:
Natural leaching from arsenic-bearing rocks into aquifers is the dominant cause of arsenic pollution in many regions, especially in alluvial plains.