GHGs are composed of carbon dioxide (CO2), carbon monoxide (CO), Methane (CH4),
Nitric Oxide (N2O), Oxygen (O2), and a class of synthetic compounds known as
chlorofluorocarbons (CFCs).

Question

GHGs are composed of carbon dioxide (CO2), carbon monoxide (CO), Methane (CH4),
 Nitric Oxide (N2O), Oxygen (O2), and a class of synthetic compounds known as
 chlorofluorocarbons (CFCs).

Quizplus · Accepted Answer

Oxygen (O2) is not considered a greenhouse gas because it does not absorb and emit infrared radiation, which is a key characteristic of greenhouse gases.

GHGs Are Composed of Carbon Dioxide (CO2), Carbon Monoxide (CO)