Homework Clinic
Science Clinic => Health Science => Topic started by: ss2343 on Aug 20, 2018
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For public health purposes, the level of fluoridation in public water supplies should be:
a. 0.5 ppm.
b. 1.0 ppm.
c. 2.0 ppm.
d. 3.5 ppm.
Question 2
The mineral that enhances the ability of the tooth structure to withstand the erosive effect of bacterial acid is:
a. zinc.
b. calcium.
c. chromium.
d. fluoride.
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Answer to Question 1
B
Answer to Question 2
D
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Thanks
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