Mathematics, 18.10.2019 21:30 yedida

Cigarette smoking is responsible for about of all copd deaths

a) 50-60
b) 60-70
c) 70-80
d) 80-90
e) 90-100

Answers: 2

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Cigarette smoking is responsible for about of all copd deaths

a) 50-60
b) 60-70