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. ] .
Key Difference â Ferrous and Nonferrous Alloys. An alloy is a metal made of two or more metallic elements to enhance strength and corrosion resistance. The key difference between ferrous and nonferrous alloys is that ferrous alloys contain iron in their composition whereas non-ferrous alloys do not contain iron as an element. Both of these alloys are extensively used in the modern industrial and engineering applications, but for different uses.