There are two aspects to be considered for radioactive material. Long half-lives like Pu will contaminate areas for decades or centuries but have relatively small decays/second per unit mass. Short half-lives like Iodine disappear in months but have extremely high decays/second per unit mass.
Marilyn Monroe (born Norma Jeane Mortenson; June 1, 1926 â August 5, 1962) was an American actress and model. Famous for playing comic dumb blonde characters, she became one of the most popular sex symbols of the 1950s, emblematic of the era's attitudes towards sexuality. Although she was a top-billed actress for only a decade, her films grossed $200 million by the time of her unexpected death in 1962.
Norma Jean Baker (1926-1962), otherwise known as Marilyn Monroe, American actress, singer, and model. After growing up in foster homes and an orphanage, Monroe dyed her hair blonde to pursue a career in acting. Her first starring role was in the film Niagara in 1946, and continued to build her fame with other films, such as Gentlemen Prefer Blondes, How To Marry a Millionaire, and The Seven Year Itch.