We use for fuel are hydrocarbons that burn easily in the presence of oxygen, Hydrogen and Carbon elements are found in these substances. These fossil fuels are found in the Earth’s crust and contain carbon and hydrogen, which can be burned for energy.
What is fossil fuel?
Fossil fuel is a hydrocarbon-containing substance formed naturally in the Earth's scab from the escapes of dead plants and animals that is liquid and burned as fuel. The major fossil fuels are coal, oil, and natural gas.
What is energy?
Energy is the quantitative possession that is changed to a body or to a physical system, identifiable in the performance of work and in the form of heat and light.
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