The correct answer is A. Carbon monoxide.
Carbon monoxide is a colorless, odorless gas that is produced when gasoline is burned in an engine. It is a major contributor to air pollution and can cause serious health problems, including death.
Methane is a colorless, odorless gas that is produced by the decomposition of organic matter. It is a greenhouse gas that contributes to climate change.
Carbon dioxide is a colorless, odorless gas that is produced when gasoline is burned in an engine. It is a greenhouse gas that contributes to climate change.
Ozone gas is a blue gas that is produced when oxygen is exposed to ultraviolet light. It is a pollutant that can cause respiratory problems.
Carbon monoxide is the most harmful gas emitted by automobile vehicles because it is a colorless, odorless gas that can be easily inhaled. Once it is in the bloodstream, it binds to hemoglobin, which is the protein in red blood cells that carries oxygen to the body’s tissues. This prevents the hemoglobin from carrying oxygen, which can lead to death.
Carbon monoxide poisoning can cause a variety of symptoms, including headache, dizziness, nausea, vomiting, confusion, and loss of consciousness. If you think you or someone you know has been exposed to carbon monoxide, it is important to seek medical attention immediately.