You are given the following sketch of a surface weather map. The thick, dark line represents a front that separates contrasting air masses (cold to the north and warm to the south). The observed, low-level winds are indicated on the cold and warm sides of the front. You would categorize the boundary between air masses as a _________ front.

https://courseware.e-education.psu.edu/courses/meteo101/QuizMedia/Q09_Q02.gif

A. Cold
B. Cold occluded
C. Stationary
D. Warm
E. Warm occluded

I know!I know! Check your textbook or class notes. (It's pretty obvious what the answer is.)