In which one of the following fronts, warm air is completely displaced from the ground surface?
Occluded front
An occluded front forms when a cold front overtakes a warm front. The warm air in the intervening warm sector is lifted off the ground, leaving colder air masses in contact at the surface.
In which of the following atmospheric layers ozone gas is concentrated?
Ozone layer depletion is a major phenomenon in :
By which layer of the atmosphere the ultra-violet rays are absorbed ?
The layer of very rare air above the mesosphere is called the _____________.
Air moves from the region where the air _______.