The Continental Polar is composed of cold dry air.

Continental polar and continental tropical are alike in that they are dry air masses. The different between the two is that the continental polar is a cool air mass while the tropical is a very hot mass of air.

the continental tropical and continental polar air masses both come from land, are humid and their differences are polar is cool air while tropical is warm air

the continental tropical and continental polar air masses both come from land, are humid and their differences are polar is cool air while tropical is warm air

There are cold and dry air that exists in a continental polar air mass