| A | B |
|---|
| particulate | tiny solids suspend in the air |
| greenhouse effect | raises global temp about 35 c |
| radon | forms when raduim breaks down |
| photochemical smog | yellow-brown haze when sunligt reacts with pollutants |
| emphysema | disease in which tiny air sacs in lungs break down |
| oxide | compounds of oxygen and other element |
| pollutants | harmful materials that enter the environment |
| chlorofluorocarbons | compounds of carbon chlorine and fluorine |
| acid precipitation | happens when water in atmosphere reacts with carbon |
| ice core | cylinders of ice that are drilled an removed |
| cancer | particulates in the air have been linked to this |
| global warming | increase in earths surface temp |
