Radon is a naturally occurring radioactive gas that is produced by the radioactive decay of radium. Breathing high concentrations of radon can cause lung cancer.ery high levels of radon (above 10 or 15 pCi/L) are definitely dangerous. There are homes with these concentrations! Lower levels (2 to 10 pCi/L) are probably somewhat dangerous, with higher levels leading to higher risks.
An actuary is a business professional who deals with the measurement and management of risk and uncertainty (BeAnActuary 2011a). The name of the corresponding profession is actuarial science.n actuary is a business professional who deals with the measurement and management of risk and uncertainty (BeAnActuary 2011a). The name of the corresponding profession is actuarial science.
Actuaries must be good with numbers and have a sound background in finance. Although actuaries typically must complete a bachelor's degree in actuarial science, preparation for a career as an actuary can begin in high school with courses in math, finance and computers. Professional certification is typically required for a career as an actuary.