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Cigarette smoking is responsible for about _____ of all COPD deaths. 90 percent 20 percent 50 percent 10 percent
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4 votes
Cigarette smoking is responsible for about _____ of all COPD deaths.

90 percent


20 percent


50 percent


10 percent

User Nader Dabit
by
7.8k points

2 Answers

2 votes
cigarette smoking causes about (A) 90% of deaths
User Jose Ospina
by
6.4k points
3 votes
The answer would be, "A", "90%". 
User Martin Kretz
by
6.6k points
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