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. ] .
Definition of copper 1: a common reddish metallic element that is ductile and malleable and is one of the best conductors of heat and electricity â see Chemical Elements Table 2: a coin or token made of copper or bronze