Author Question: The current life expectancy at birth in the U.S. is A) 67.7 years. B) 72.7 years. C) 78.7 ... (Read 105 times)

jenna1 · **on:** Jul 12, 2018

The current life expectancy at birth in the U.S. is

A) 67.7 years.
B) 72.7 years.
C) 78.7 years.
D) 82.7 years.

Question 2

Correct flossing and brushing of the teeth helps:

A) prevent periodontal infection. B) remove plaque and prevent bad breath.
C) prevent bleeding gums. D) all of the above.