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English, 11.09.2019 05:20 janahiac09

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.

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Answers: 2

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Which information makes this article reliable?
fluoride has been added to drinking water sinc...
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