Which of the following is a controllable risk factor of infectious diseases? A. drug abuse B. pollution C. air D. heredity

asked Apr 8, 2018 77.5k views

5 votes

by Zia

5.9k points

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3 votes

Answer:

Explanation: You have to B a winner.

Aman Satija answered Apr 11, 2018

6.8k points

4 votes

The correct answer should be pollution

Elegant answered Apr 15, 2018

6.3k points

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