Which pair are the two predominant greenhouse gases in the troposphere? 

A)  nitrous oxide and sulphur dioxide 
B)  carbon dioxide and water vapour 
C)  nitrogen and water vapour 
D)  carbon dioxide and ozone

Troposphere

The lowest layer of Earth's atmosphere, where most weather phenomena occur.

Nitrous Oxide

A powerful greenhouse gas and ozone-depleting substance, emitted through agricultural practices, fossil fuel combustion, and industrial activities.

Sulphur Dioxide

A colorless gas with a sharp, choking smell, used in industry and produced by volcanoes, known for its role in acid rain and as a pollutant affecting respiratory health.