3 years ago

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

2 answers:

8 0

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 :)

astra-53 [7]3 years ago

8 0

The answer it its false. welcome!★

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