Which element is required for the combustion of fossil fuels? nitrogen hydrogen oxygen carbon

Option C, oxygen

Explanation:

Fossil fuels burns in the presence of oxygen to release oxides of various forms.

Some example of burning/combustion of fossil fuels are -

a) Coal oxidizes in the presence of oxygen to release carbon dioxide.

b) Natural gas primarily consists of methane. It burns in the presence of oxygen to form CO2

c) Oil in the automobils is also a fuel made up of C, H and O and it burn in the presence of oxygen to produce carbon dioxide/CO2 from carbon, nitrous oxide/NO2 from nitrogen and sulfur dioxide/SO2 from sulphur

Thus, it is clear that fossil fuel need oxygen fro combustion.

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