Which of the following gaseous air pollutants is a major component of cigarette smoke?
Sulfur dioxide
Carbon monoxide
Nitrogen oxide
Ozone
Carbon monoxide is a major component of cigarette smoke, and can have negative impacts on the cardiovascular system and other organs.Carbon monoxide (CO) is a major component of cigarette smoke, which is a toxic mixture of gases, chemicals, and particulate matter that is produced by the burning of tobacco.
Cigarette smoke contains more than 7,000 chemicals, including many harmful pollutants such as tar, nicotine, and carbon monoxide. CO is a colorless, odorless gas that is formed when tobacco is burned and inhaled. It binds to hemoglobin in the blood, reducing its ability to transport oxygen to the body's organs and tissues.