Which of the following is a fossil fuel?
All of the above
Fossil fuel is fuel such as coal or oil that is formed from the decayed remains of plants and animals.Coal is the largest fossil fuel resource.It is of three types-lignite, bituminous, anthracite.Petroleum is derived from dead microorganisms buried deep under sediments.The natural gas mainly consists of methane and is formed along with the mineral oil.It is also used as a fuel.