Domanda 611, Meteorology - ATPL - Airline Transport Pilot license

The North-Russian air is colder and more humid than the air of the Azores.
The air of the Azores is warmer and more humid than the North-Russian air.
The North-Russian air is warmer and dryer than the air of the Azores.
The air of the Azores is warmer and dryer than the North-Russian air.