| A | B |
| auto emissions plus UV rays and O2 | Ozone |
| Primary Pollutants | Pollutants that are directely put into the air |
| Secondary Pollutants | Pollutants caused by reactions with other compounds |
| Noise pollution | Effects the nervous and Adrenergic systems in the body |
| Catalytic converters | Remove Hydrocarbons from the air but cause CO2 |
| Industrial pollution | One cause of smog |
| Temperature inversion | Poor air quality due to hot air trapping smog |
| Asthma | Can be caused by air pollutants |
| Diesel | Particulate pollution |
| Asbestos | Causes Asbestosis and Cancer |
| Radon | Gas from Uranium |
| Light Pollution | Causes animals to lose their way at night |
| Acid Rain | Due to Nitrogen and Sulfur Oxides |
| Clogged Fish Gills | Acid Rain produced Aluminum in Water |
| Clean Air Act | Law to limit industrial pollutants |
| Chernobyl | Site of worst nuclear spill ever |
| Three Mile Island | Site of US' worst nuclear accident |
| Childhood asthma | agravated by Particulates from Diesel |
| Smog | Smoke plus Fog |
| pH of Acid Rain | Well below 7.0 |