petroleum . National Geographic Society
Jan 15, 2013 . Petroleum, or crude oil, is a fossil fuel and non renewable source of energy. . Coal, natural gas, and petroleum are all fossil fuels that formed under ... Processing bitumen from tar sands is also a complex, expensive procedure. .. There are major disadvantages to extracting fossil fuels, and extracting.
Chapter 14: Mining and Nonrenewable Energy
Non renewable resources are mineral and energy resources such as coal, oil, gold, .. The problem is cost of mining and processing, availability of fresh water.Get Price