Question

multiple - choice question
what is the cleanest burning fossil fuel?
natural gas
coal
oil
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Explanation:

Natural gas has the lowest carbon - to - hydrogen ratio among fossil fuels. When burned, it produces less carbon dioxide and other pollutants compared to coal and oil. Coal has a high carbon content and releases a large amount of pollutants including sulfur dioxide, nitrogen oxides, and particulate matter. Oil also produces more emissions than natural gas during combustion.

Answer:

natural gas