| A | B |
|---|
| This is when the substances that can cause harm to living things end up in the air. | What is Air Pollution? |
| Most air pollution results from this. | What is Human Activities? |
| The Ozone is an example of this pollutant. | What is a Secondary Pollutant? |
| This is the odorless, tasteless, colorless, poisoness gas that sometimes leaks into homes from faulty furnaces. | What is Carbon Monoxide? |
| These sometimes escape into the atmosphere when someone is filling his/her car with gasoline. | What is VOCs? |
| Burning this resource causes huge quantities of oxides to be released into the air. | What is fossil fuels? |
| This usually keeps air pollution from reaching dangerous levels. | What is Air Circulation? |
| Smog is a combination of these two elements. | What is Smog and Fog? |
| This is the persistent inflammation of the bronchial linings. | What is Bronchitis? |
| Air pollution is sometimes worse here than the air pollution outside. | What is Indoors? |
| This is the chemical that is found inside paint strippers and thinners. | What is Methylene Chloride? |
| This is the radioactive, invisible, tasteless, and odorless gas. | What is Radon? |
| This is the highly acidic precipitation(rain, sleet, or snow) that results from the burning of fossil fuels. | What is Acid Precipitation? |
| This is when the air above is warmer than the air below. | What is Thermal Inversion? |
| This is a pollutant that is put directly into the air by human activities. | What is a Primary Pollutant? |
| Pollutants usually remain trapped in this type of air at the Earth's surface. | What is Cool Air? |
| This is when there is poor air quality in buildings. | What is Sick-building syndrome? |
| This is the gas that sometimes leaks from unvented gas and wooden stoves. | What is Nitrogen Oxides? |
| This is the pollutant that comes from pipe insulation. | What is Asbestos? |
| This is the pollutant that comes from uranium-containing rocks. | What is Radon-222? |
