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Which gases contribute to the greenhouse effect?
nitrogen and helium
carbon dioxide and methane
carbon dioxide and helium
nitrogen and methane
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carbon dioxide and methane
Both CO2 and CH4 absorb and re-radiate infrared radiation, contributing to the greenhouse effect. Nitrogen (N2) and helium do not significantly absorb infrared and so do not act as greenhouse gases.
Both CO2 and CH4 absorb and re-radiate infrared radiation, contributing to the greenhouse effect. Nitrogen (N2) and helium do not significantly absorb infrared and so do not act as greenhouse gases.
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