The Area of Conflict Between Colder and Warmer Air Masses

The area of conflict between colder and warmer air masses in the subpolar region

A) is most distinctive during summer months in each respective hemisphere.
B) is unrelated to the formation of cyclonic storms.
C) is termed the polar front.
D) is referred to as the subtropical contact zone.
E) encircles Earth at about the latitude of the polar high.