You usually start off with twenty baby teeth. If she is losing four each year you would divide the amount of baby teeth by four:
20/4=5
So she lost all her teeth by Five years of age.
PS. which is quite young!
Answer: Being provided with the right diagnosis
Explanation:
Your tone of voice should be friendly, professional, and sincere to keep a patient engaged. Improving your tone can be as simple as smiling, taking a deep breath, and approaching with a genuine desire to help.
I think series because parallel circuits have too many breaks
D, three to five times a week.