Question

Which additional information could be added to the presentation to support the speaker's claim about the change in people's dental health over time?

A
statistics comparing the number of people with dental insurance now and in 1945

B
data that show a decrease in the number of dental problems people usually have

C
information about improvements in dental care techniques since 1945

D
statements from dentists about their approval of added fluoride

Answer 1

Answer: B

Step-by-step explanation:

Only B has a direct relevance with people's dental health.