alleryWhich pair of atmospheric gases are greenhouse gases?
AArgon and neon
BNitrogen and argon
CHelium and neon
DCO2 and water vapour
Answer & Solution
Correct answer: D. CO2 and water vapour
1. Greenhouse gases absorb and emit infrared radiation.
2. Carbon dioxide and water vapour do this, but pass visible sunlight.
3. Nitrogen and the noble gases do not act this way.
_Source: Wikipedia, Atmosphere of Earth, Emission_
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