Question

Flame is formed when the______
of a fossil fuel burns​

Answer 1

• Hydrocarbon fuels like methane (CH4) burn in the presence of oxygen to produce carbon dioxide and water. This process of combustion releases energy.

• Natural gas is the cleanest burning fossil fuel. Coal and oil, the other fossil fuels, are more chemically complicated than natural gas, and when combusted, release a variety of potentially harmful air pollutants. Burning methane releases only carbon dioxide and water.

Answer 2

Answer:

vapour

Explanation:

a flame is formed when the vapour of a combustible substance burn