The 'blue baby' pollution disease is due to the excessive presence of which of the following in drinking water?
A. fluoride
B. chloride
C. nitrate
D. arsenic
Answer: Option C
A. fluoride
B. chloride
C. nitrate
D. arsenic
Answer: Option C
Which one of the following is useful in the treatment of scurvy disease?
A. Mango
B. Papaya
C. Aonia
D. Ber
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