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- Dictionaryfossil fuel/ˌfɒsl ˈfjuːəl/
noun
- 1. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
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noun
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Combustible fuel containing hydrocarbons formed by natural processes such as anaerobic decomposition of buried dead organisms, examples being coal, petroleum and natural gas
A fossil fuel is a hydrocarbon-containing material formed underground from the remains of dead plants and animals that humans extract and burn as fuel. The main fossil fuels are coal, petroleum and natural gas, which humans extract through mining and drilling. Fossil fuels may be burnt to provide heat for use directly (e.g. for cooking), to power engines (such as internal combustion engines in mot... Wikipedia