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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 102 times)

jenna1

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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.



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Joc

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Answer to Question 1

Answer: C

Answer to Question 2

ANS: D




jenna1

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Reply 2 on: Jul 12, 2018
:D TYSM


xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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