CH-1302
Greenhouse effect
Chemistry · Secondary 4 · Medium · Greenhouse effect
Biogas contains methane and carbon dioxide. Which statement best explains why methane is considered a stronger greenhouse gas than carbon dioxide, even though both are greenhouse gases?
- Methane has a higher global-warming potential per molecule than carbon dioxide.
- Methane is not absorbed by plants, unlike carbon dioxide.
- Methane does not burn, so it stays in the atmosphere forever.
- Methane is colourless, while carbon dioxide is coloured.
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