Which gases contribute to global warming?

The correct answer is that all of the mentioned gases contribute to global warming.

Carbon dioxide is a well-known greenhouse gas that results from the combustion of fossil fuels, deforestation, and other human activities. It traps heat in the atmosphere, contributing significantly to the greenhouse effect and climate change.

Nitrous oxide is another potent greenhouse gas, primarily released from agricultural activities, fossil fuel combustion, and certain industrial processes. It has a much higher global warming potential compared to carbon dioxide, making its impact on climate change significant despite its lower atmospheric concentration.

Hydrofluorocarbons (HFCs) are synthetic gases commonly used in refrigeration, air conditioning, and aerosol propellants. Although they are present in smaller quantities in the atmosphere compared to carbon dioxide, HFCs have a profoundly higher global warming potential and can remain in the atmosphere for several years.

Thus, all of these gases play a role in enhancing the greenhouse effect, leading to accelerated global warming and climate change. Each contributes to the phenomenon but in different capacities and through various pathways, underscoring the complexity of addressing climate-related issues.