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# Question and Answer

What are fossil fuels?
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## QuestionScienceClass 8

What are fossil fuels?

Fossil fuels are the compounds which are rich in energy and are made by decomposition of plants and animal which are buried inside earth years ago.A fossil fuel is formed by natural processes, such as anaerobic decomposition of buried dead organisms.Fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.