what coal

Best answer


Fossil fuels

People also ask


  • What type of rock is coal?

  • Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and hydrocarbon s, which contain energy that can be released through combust ion (burning).

  • What is the meaning of coal?

  • English Language Learners Definition of coal. : a black or brownish-black hard substance within the earth that is used as a fuel. : a piece of coal or charcoal especially when burning. : a glowing piece of wood from a fire.

  • What are the main components of coal?

  • It is composed mostly of carbon and hydrocarbon s, which contain energy that can be released through combust ion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel in the United States.

  • Where does the energy we get from coal come from?

  • The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago. There are four types of coal; lignite, sub-bituminous, bituminous and anthracite, which are created during a process known as 鈥榗oalification鈥?

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