malities and cancer are the leading causes of death among Contra Costa residents age 0-24 years. Infants, children and young adults have a very low risk of death and account for 3% of all deaths countywide. Between 2000 and 2002, there were 529 deaths among Contra Costa residents age 0-24 years. This means that there are approximately 175
The method of extraction of a metal from its ore depends on the metal's position in the reactivity series. Gold, because it is so unreactive, is found as the native metal and not as a compound [compound: A compound is a substance formed by the chemical union (involving bond formation) of two or more elements. ] .
Scrap metals, in general, are divided into two basic categories: ferrous and nonferrous. Ferrous scrap is metal that contains iron, while nonferrous metals are metals that do not contain iron. Many workers are employed by scrap metal recycling industries. Private, nonferrous recycling industries in the U.S. employed approximately 16,000 employees in 2001.