Question

I WILL GIVE YOU BRAINLYLLEST

Which information makes this article reliable?

Fluoride has been added to drinking water since the 1960s.
Some people doubt the necessity of fluoridation.
More than 50 studies were conducted.
Fluoride has been found to prevent cavities in teeth.

Answer 1

Answer:

some people doubt the necessity of flouridayion more than50 studies were conducted

Answer 2

Water is the major dietary source of fluoride. The only known association with low fluoride intake is the risk of dental caries as also more than 50 researchs were conducted so it makes us to believe the necessity of flourifes