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Petroleum, Coal, and Natural Gas contain carbon.

Petroleum, coal, and natural gas are all fossil fuels that contain carbon, making them significant contributors to carbon emissions when burned for energy.

A) Petroleum

Petroleum is a hydrocarbon-based energy resource that contains a high amount of carbon. As it is extracted and burned for energy, it releases carbon dioxide into the atmosphere, contributing to greenhouse gas emissions and climate change.

B) Uranium

Uranium is not a carbon-containing energy resource; rather, it is a heavy metal used as fuel in nuclear reactors. Nuclear energy generation does not produce carbon emissions during operation, distinguishing it from fossil fuel sources that do contain carbon.

C) Coal

Coal is a fossil fuel that is primarily composed of carbon. When burned for energy, it releases significant amounts of carbon dioxide, making it one of the highest carbon-emitting energy sources available.

D) Natural gas

Natural gas consists mainly of methane, which is a carbon-based compound. When combusted, natural gas emits carbon dioxide, although it produces less carbon than coal or petroleum, still categorizing it as a carbon-containing resource.

Conclusion

The correct options—petroleum, coal, and natural gas—are all fossil fuels that contain carbon and release carbon dioxide when burned, contributing to global warming. In contrast, uranium does not contain carbon and is used in nuclear energy, which is a cleaner alternative in terms of carbon emissions. This distinction underscores the importance of recognizing the carbon footprint associated with various energy resources.