I am not 100% sorry if I am wrong but I think it’s C
The three major categories of energy for electricity generation are fossil fuels.
coal, natural gas, and petroleum.
A hopes this helps good luck
Answer:
<em>Hello, Combustion occurs when fossil fuels are burned, and the elements in the fossil fuels oxidize, or combine with oxygen. When coal is burned, the carbon oxidizes to form carbon dioxide, or CO2. Hope That Helps!</em>
<em>From SusieLouielove.</em>
