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Home Q & A Board Science-Related Homework Help Health, Nutrition, and Food Sciences
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bkm1 bkm1
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6 years ago
Thirty pack years of smoking is defined as smoking ____ for 30 years.
 a. 20 cigarettes a day
 b. 30 cigarettes a day
 c. 30 cigarettes a week
 d. 20 cigarettes a week
 e. 30 cigarettes a month
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danielmata99danielmata99
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#1
6 years ago
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bkm1 Author
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6 years ago
Helped a lot
Tim0301
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sudenzia
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2 hours ago
Brilliant ツ
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