The correct answer is: B. Carbon monoxide
Carbon monoxide is a colorless, odorless, and tasteless gas that is produced when fossil fuels are burned. It is a major air pollutant that can cause a variety of health problems, including death.
Oxygen is a colorless, odorless, and tasteless gas that is essential for life. It is not an air pollutant.
Helium is a colorless, odorless, and tasteless gas that is lighter than air. It is not an air pollutant.
Carbon dioxide is a colorless, odorless, and tasteless gas that is produced when plants and animals breathe. It is also produced when fossil fuels are burned. Carbon dioxide is a greenhouse gas that contributes to climate change. However, it is not considered to be a major air pollutant.
Here are some of the health effects
of carbon monoxide poisoning:- Headache
- Dizziness
- Nausea
- Vomiting
- Confusion
- Blurred vision
- Seizures
- Coma
- Death
If you think you or someone you know has been exposed to carbon monoxide, it is important to seek medical attention immediately.