Which major type of air mass typically brings cool, dry weather? maritime polar continental polar maritime tropical continental tropical

The correct answer is continental polar.  

When a huge air body sustains over a region for many weeks or days, the air body may modify its moisture and thermal characteristics on the basis of the water and land underneath it. The air interchanges heat with the water or land, either cooling or warming, unless and until its temperature nearly matches with that of the surface underneath it.  

The air body also loses or gains moisture on the basis of the moisture and temperature content of the surface. The air body that resembles the features of the surface under it is known as an air mass.  

The continental polar masses refers to the cold and dry, but not as cold as Arctic air masses. This generally produces farther to the south and usually dominate the weather scenario across the United States at the time of winter. The continental polar masses also produces at the time of summer, but generally, affect only the northern part of USA. These air masses are also accountable for bringing pleasant and clear weather at the time of summer to the north.  

The option B is the correct answer which is continental polar.

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