Part one of term paper
Carbon is one of the most important chemical elements. Industry uses it in a wide variety of products, and all living things are based on carbon. Without carbon, life would be impossible! Yet carbon makes up less than 0.03 percent of the earth's crust. Pure carbon exists in nature in the form of diamonds, and in graphite. Both forms are ...

Part two of term paper
... when materials containing carbon are burned or heated without enough oxygen for them to burn completely. For example, if oil, natural gas, or other petroleum fuels are burned in limited supplies of air, powdery-black soot of amorphous carbon, called carbon black, is formed. Carbon black is used in rubber products and paint. Charcoal is used as a cooking fuel and ivory black, made by heating ivory, is used as a pigment in paint. Most carbon occurs in combination with other elements. Fo ...