1 .		Areas in which air masses originate are called development regions.   True  False
2 .		Continental arctic (cA) air is distinguished from cP air by its generally warmer temperatures.   True  False
3 .		Continental polar (cP) and continental arctic (cA) air masses are typically stable bodies of air.   True  False
4 .		In the middle latitudes, most atmospheric disturbances occur along the boundaries separating air masses.   True  False
5 .		An air mass with the designation w is likely to be stable.   True  False
6 .		The moisture content of an air mass is related to its temperature.   True  False
7 .		The southern United States never experiences cP or cA air masses.   True  False
8 .		Maritime polar (mP) air from the North Pacific has a strong influence on the weather along the west Coast of North America, especially in the winter.   True  False
9 .		It often takes several days for an air mass to traverse an area.   True  False
10 .		Lifting over a mountain barrier will probably not produce any appreciable modification to an air mass.   True  False