PM and gase pollutants

Dust, wildfires, and sea salt are natural examples of this.

• Particulate Matter

• Carbon monoxide

• Nitrogen dioxide

• Sulfure dioxide

A pollutant that forms from volcanoes (natural) and burning coal (anthropogenic) is likely...

• Particulate Matter

• Carbon monoxide

• Nitrogen dioxide

• Sulfure dioxide

A colorless, odorless gas that decreases the blood's ability to carry oxygen.  Can cause faintness, and death.

• Particulate Matter

• Carbon monoxide

• Nitrogen dioxide

• Sulfure dioxide

Which pollutant is an ozone precursor?

• Particulate Matter

• Carbon dioxide

• Nitrogen dioxide

• Sulfure dioxide

The majority of air pollution in urban areas comes from?

• burning fossil fuels

• Agriculture

• forest fire

• Natureal source