Radon is a gas that occurs naturally from the breakdownâor the radioactive decayâof uranium. Rocks, soil, and in some cases groundwater can all contain uranium.Because radon comes from so many sources, people are easily exposed to it.adon is an odorless, colorless, radioactive gas. It is also the second leading cause of lung cancer in the United States.
File Menu in MS Excel: File menu is the first menu in the MS Excel menu bar. It functions the file management and importing from external sources to MS Excel. The File menu allows one to open, save, close, print and so on in MS Excel. It gives the users options to save the workbook, open new workbook and so on.
This series of words is called a menu. A program's menu, simply referred to as a menu, is a series of words usually aligned on a (vertical) column, each line of words indicating a particular action. Like everything else you will use on the computer, a menu depends simply on the person who created it.