Mathematics, 30.01.2020 18:48 colbs41
Countries that add fluoride to water have higher cancer rates than countries that do not. the conclusion that fluoride causes cancer is
a) not justifiable, because the correlation may be weak.
b)not justifiable, because there are other variables, such as age, to consider
c)justifiable, because there is an increase of cancer in more than one country
d) justifiable, because there is a complementary correlation between fluoride usage and cancer.
Answers: 2
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Countries that add fluoride to water have higher cancer rates than countries that do not. the conclu...
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