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Over-pumping groundwater in Rajasthan and Maharashtra has raised which contaminant?
AMercury
BFluoride
CSulphur
DIron ore
Answer & Solution
Correct answer: B. Fluoride
1. Over-withdrawal lowers the water table.
2. It has raised fluoride levels in groundwater.
3. Arsenic has risen in some other parts.
_Source: NCERT Class 12 Geography, India People and Economy, Chapter 6, Water Resources._
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