Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Geography (World Geography) Climatology
Air masses are formed in very particular surface and atmospheric conditions which are found only in a few areas of the world. which of the following is not a precondition for the formation of air masses?
1
Surface should be either an oceanic surface or a plane on a continental surface.
2
Atmospheric conditions must be stable for the origin of air masses.
3
There should not be any major movement in the air.
4
The air should rest on the given surface for 20 to 30 days to absorb the properties of the given surface.