Question

a) comubustion of fuels the ? is carbon +. +​

Answer 1

Explanation:

In the process of combustion, hydrocarbons burn to carbon dioxide (CO2) and water (H2O) with enough oxygen (O2), or to carbon monoxide (CO) without it.

Answer 2

Answer:

Carbon Dioxide (CO2)

Carbon dioxide is the principal product of combustion of fossil fuels since carbon accounts for 60–90 percent of the mass of fuels that we burn.

Explanation:

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