What percentage of smoke in a room comes from sidestream smoke?

Name: What percentage of smoke in a room comes from sidestream smoke?
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Question

Quizplus · Accepted Answer

Sidestream smoke, also known as secondhand smoke, is the smoke that comes from the burning end of a cigarette, cigar, or pipe. According to the American Lung Association, sidestream smoke makes up about 85% of the smoke in a room, while the smoke that is exhaled by the smoker (known as mainstream smoke) makes up the other 15%. Therefore, the correct answer is B) 85.

What Percentage of Smoke in a Room Comes from Sidestream