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Types of Smoke

Questions (2)

Smoke exhaled from a smoker’s lungs is called mainstream smoke.A. true B. false
1. 1 answer
2. asked by ༼ つ ◕_◕ ༽つ
3. 114 views
secondhand smokemainstream smoke sidestream smoke air that has been contaminated by tobacco smoke smoke exhaled from the lungs
1. 1 answer
2. asked by ROSAAAAA
3. 128 views