Washington, D.C., formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the capital of the United States. On July 16, 17â¦90, the United States Congress approved the creation of a special district to serve as the permanent national capital as permitted by the U.S. Constitution.
Fossil Fuels - There are coal, crude oils, oil shales, tar sands and natural gases such as butane, ethane, methane which occur naturally from the decomposition of plant and sea and land organisms over millions of years. Burning fossil fuels is the major way in which humans add to the greenhouse gases in the atmosphere.
Fossil fuel. Definition. noun. (1) Any fuel formed from hydrocarbon deposits (e.g. coal, petroleum or oil, natural gas, etc .) or fossilized remains of organism (hence the name).(2) A solid, liquid or gaseous fuels formed after millions of years by chemical and physical changes in plant and animal residues under high temperature and pressure.efinition. noun. (1) Any fuel formed from hydrocarbon deposits (e.g. coal, petroleum or oil, natural gas, etc .) or fossilized remains of organism (hence the name).