Water vapour and CO2 are called _____ gases because their amounts change.
Permanent
Variable
Inert
Rare
Origin & Structure of Atmosphere
Insulation & Energy Balance
Temperature
Atmospheric Pressure and Motion
General Atmospheric Circulation
Local and Seasonal Winds
Atmospheric Humidity
Fogs, Clouds and Precipitation
Air Masses
Frontogenesis, Cyclones & Anticyclones
Meteorological Hazards & Disasters
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go