Which of the following masses rarely affects North America?
A) Continental tropical
B) Maritime tropical
C) Arctic
D) Continental polar
E) Equatorial
Question 2
Which of the following is NOT necessarily a property of an air mass?
A) It must be large.
B) It must have relatively uniform properties within itself.
C) It must have a warm front at its leading edge.
D) It must travel as a recognizable entity.
E) It must modify as it leaves its source region.