A. Nitrates
B. Fluorides
C. Arsenic
D. Mercury
Submitted by: Abid Hussain
In China (Province of Taiwan) exposure to arsenic via drinking-water has been shown to cause a severe disease of the blood vessels, which leads to gangrene, known as ‘black foot disease’. This disease has not been observed in other parts of the world, and it is possible that malnutrition contributes to its development.
So the correct answer is option C- ‘Arsenic’.
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