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
The advantages of seeing a specialist vs a primary care physician is that the specialist knows exactly about that field of medicine. One circumstance for a specialist: Your eye is bleeding and red, you might want to go see an ophthalmologist because they focus on the eyes. One circumstance for a primary care physician: You feel weak, dizzy and you are vomiting, you have no specific area of pain, so you might want to see a primary care physician because they know about different fields of medicine instead of just focusing on one.
Answer: False
Explanation: When you go for a run do you feel your heart rate decrease? Of course not
Answer: 439
Explanation: you just have to divide