Discussion :: Minerals - Section 1 (Q.No.11)
What is the main source of natural fluoride?
Answer: Option D
No answer description available for this question.
|Safaratshenwari said: (Mar 26, 2015)|
|Water is simply the hydrogen and oxygen combination. So where the fluoride comes from?|
|Jaithanya said: (Jan 28, 2020)|
|Low concentration is Present in salt and freshwater.|
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