Complete the flow chart. fuel fossil fuel liquid mineral oil
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Fossil fuels supply much of the world's energy, but when burned, their carbon emissions are a main contributor to global warming.
Fossil fuel
- Fossil fuel, any of a class of hydrocarbon-containing materials of biological origin occurring within Earth’s crust that can be used as a source of energy.RELATED TOPICS
- Petroleum,Natural gas,Coal,Oil shale,Asphalt,Bitumen,Pyrobitumen,Torbanite,Sapropel,Fuel
- Fossil fuels include coal, petroleum, natural gas, oil shales, bitumens, tar sands, and heavy oils. All contain carbon and were formed as a result of geologic processes acting on the remains of organic matter produced by photosynthesis, a process that began in the Archean Eon (4.0 billion to 2.5 billion years ago). Most carbonaceous material occurring before the Devonian Period (419.2 million to 358.9 million years ago) was derived from algae and bacteria, whereas most carbonaceous material occurring during and after that interval was derived from plants.
Natural gas
Composition
- carbon
- hydrogen
- nitrogen
- Sulphur
- Oxygen
Petroleum
Composition
- carbon
- hydrogen
- nitrogen
- Sulphur
- Oxygen
- minerals
Coal
composition
- carbon
- hydrogen
- nitrogen
- Sulphur
- Oxygen
- minerals
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