lottov0k lottov0k
  • 14-11-2017
  • Health
contestada




Cigarette smoking is responsible for about _____ of all COPD deaths.


90 percent


20 percent


50 percent


10 percent

Respuesta :

Аноним Аноним
  • 14-11-2017
The answer would be, "A", "90%". 
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little6rose
little6rose little6rose
  • 14-11-2017
cigarette smoking causes about (A) 90% of deaths
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