The polar air masses are air masses that form on the high latitudes, in the polar regions. The tropical air masses are air masses that form on the low latitudes, around the equator.
The polar air masses are cold air masses. They are also dry, very dense, and have much higher air pressure. The tropical air masses are warm air masses. Depending have they formed over land or over sea, they can be either dry or moist, and they have low air pressure as they are much less dense.
A typical polar air mass brings in cold and dry weather, while the tropical air mass brings in warm weather, with either lot of precipitation, or being very dry.
The polar air masses are moving from the high latitudes toward the lower latitudes, while the tropical air masses are moving from the lower latitudes toward the higher latitudes.
Short answer A <<<<<
It was intended to foster mutual trade relations between the three countries.
Only Trump and his ilk found that not to be true for them. There is a return to isolationism afoot. Not a good practice.
Answer:
A warm front forms when a warm air mass pushes into a cooler air mass, shown in the image to the right (A). Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms.
Explanation:
The sea is drying up because of the heat of global warming
In 1788, James Hutton discovered Siccar Point. It is by far the most spectacular of several unconformities that he discovered in Scotland, and very important in helping Hutton to explain his ideas about the processes of the Earth.
