| alpha | earth | manmade | nuclear energy | sun |
| atoms | electromagnetic | matter | outer space | unltraviolet |
| benefits | exposure | microwave | particles | visible light |
| beta | gamma | millirem | radiation | waves |
| curie | infrared | natural | radio frequency | xray |
| dose | ionizing | nonionizing | risks |
Click for answer page. For more information,
visit our Radiation Top Page.

| August 7, 2003 | | Disclaimer/Policy |