What fuels are mixtures of hydrocarbons (compounds containing only hydrogen and carbon) that formed over millions of years from the remains of dead organisms?

What fuels are mixtures of hydrocarbons (compounds containing only hydrogen and carbon) that formed over millions of years from the remains of dead organisms?

  • Correct Answer: fossil
  • trilobites
  • coal
  • sediment

Explanation: Oil, or petroleum, is one of several fossil fuels . Fossil fuels are mixtures of hydrocarbons (compounds containing only hydrogen and carbon) that formed over millions of years from the remains of dead organisms. In addition to oil, they include coal and natural gas. Fossil fuels provide most of the energy used in the world today. They are burned in power plants to produce electrical energy, and they also fuel cars, heat homes, and supply energy for many other purposes. You can see some ways they are used in the Figure below . For a more detailed introduction to fossil fuels, go to this URL: http://www. ecokids. ca/pub/eco_info/topics/energy/ecostats/index. cfm.

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