UPPCS · ಪ್ರಶ್ನೆ 139
Which one of the following is NOT a green house gas found naturally in the atmosphere?
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ
ಉತ್ತರ: (A) Nitrogen oxide
ವಿವರಣೆ
Per the official key, 'nitrogen oxide' (NOx, mainly from combustion) is not treated as a naturally occurring greenhouse gas. CO2, methane and ozone occur naturally. (Note: nitrous oxide, N2O, is a natural GHG.)