Discuss the advantages and disadvantages of fossil fuels. Include in the examination coal, oil, and methane. Describe the types of coal, methods of mining, and toxic byproducts such as carbon dioxide, lead, mercury, and arsenic. Introduce petroleum, how it is formed, and the advantages of petroleum use over coal. Describe natural gas formation, storage and shipment, as well as cost advamtages of the differerent fossil fuels