Craft1981 Craft1981

10-03-2016
Health

contestada

13. Smoke exhaled from a smokers longs is called Mainstream smoke .

True or false

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PhineasJack PhineasJack

10-03-2016

False because mainstream smoke is defined as smoke from a cigarette or pipe. Second hand smoke is smoke that has been inhaled by someone then exhaled, making you the "second" one to breath it :)

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KeKe911 KeKe911

10-03-2016

the answer it its false. welcome!★

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