what is mainstream smoke?

Mainstream smoke refers to the smoke that is directly inhaled into the smoker's lungs and then exhaled into the surrounding air. This is the type of smoke that is typically visible when someone is smoking a cigarette or other tobacco product. It contains a mixture of chemicals and toxins that can be harmful to both the smoker and those around them.

Smoke exhaled from a smoker’s lungs is called mainstream smoke.(1 point)

Responses

True
True

False

False

why?

I apologize for the confusion in my earlier responses. The correct answer is actually true. Mainstream smoke is the smoke that is exhaled by a smoker after inhaling it into their lungs.

Cigarette use in the United States has remained constant in the last 50 years.(1 point)

Responses

True
True

False

False. Cigarette use in the United States has declined significantly over the past 50 years due to public health campaigns, regulations, and awareness of the health risks associated with smoking.

Smokeless tobacco is much less risky for your health than cigarettes.(1 point)

Responses

True
True

False

False. While smokeless tobacco may be perceived as less harmful than cigarettes, it still poses serious health risks, including oral cancer, gum disease, and nicotine addiction. It is not a safe alternative to smoking cigarettes.