9. What is the amount of fluoride concentration in water that's considered safe for the prevention of dental decay?
1 answer:
Hi,
9. What is the amount of fluoride concentration in water that's considered safe for the prevention of dental decay?
D. 1 part per million
You might be interested in
Umm, its bad I think.
Lack of sleep can lead to many diseases and problems. Sleep is one of the basic requirement like food, water and air.
Consuming contaminated foods or beverages
Vitamin K, I believe anyway I may be wrong.
Answer:
its going to be D. the unwanted sound caused by human activity that disrupts human and animal life
Explanation:
The one that could be most closely associated with you health is exercise
