d1pd8gTammyJenimau
d1pd8gTammyJenimau d1pd8gTammyJenimau
  • 02-10-2016
  • Health
contestada

the major risk factor for chronic bronchitis is a. previous allergies. b. cigarette smoking. c. dust in the air. d. family history.

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pandamille
pandamille pandamille
  • 04-10-2016
The major risk factor for chronic bronchitis is a/
 b. cigarette

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garennd2485
garennd2485 garennd2485
  • 10-12-2018

The answer is A, have a nice day.

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