nanaxo216 nanaxo216

20-03-2020
Chemistry

contestada

What is the optimal level of fluoride in water?

Respuesta :

andrea8832 andrea8832

26-03-2020

Answer:

The agency's recommended ratio of fluoride to water, newly calibrated at 0.7 parts per million, results from years of scientifically rigorous analysis of the amount of fluoride people receive from all sources.

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