Which fuel creates the most air pollution when burned?(1 point)
Responses
electricity
clean fuels
natural gas
coal
Coal creates the most air pollution when burned.
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Which fuel creates the most air pollution when burned?(1 point)
Responses
clean fuels
clean fuels
electricity
electricity
natural gas
natural gas
coal
Coal creates the most air pollution when burned.
Coal creates the most air pollution when burned.
To determine this, we must consider the emissions produced by each fuel when burned. One way to determine the level of air pollution is to look at the emissions of pollutants such as carbon dioxide (CO2), sulfur dioxide (SO2), nitrogen oxides (NOx), and particulate matter.
Coal is known to be a highly polluting fuel due to its high carbon content and the presence of impurities like sulfur. When burned, coal emits a significant amount of CO2, which is a greenhouse gas contributing to climate change. It also releases large quantities of sulfur dioxide (SO2) and nitrogen oxides (NOx), which contribute to acid rain and smog formation. Additionally, coal combustion produces substantial amounts of particulate matter, which can be harmful to human health.
In comparison, natural gas tends to produce fewer emissions than coal. It releases lower levels of CO2 and contains little to no sulfur. Natural gas also produces negligible amounts of particulate matter. While it is still a fossil fuel and contributes to greenhouse gas emissions, it is considered a cleaner-burning fuel compared to coal.
Electricity is not a fuel itself but rather a form of energy. The environmental impact of electricity generation depends on the sources used to produce it. If electricity is generated using coal-fired power plants, the emissions from burning coal would still contribute to air pollution. However, if electricity is produced from renewable sources like solar or wind, the environmental impact would be minimal.
Clean fuels refer to fuels with minimal environmental impact, such as biodiesel or hydrogen. These fuels are generally considered to produce fewer emissions and pollutants compared to conventional fossil fuels like coal or gasoline.
Therefore, among the options provided, coal creates the most air pollution when burned.