Pruitt lives in a city that is typically dominated by a maritime tropical air mass. After listening to the weather update, he learns that a maritime polar air mass is approaching his city. Which statement explains this movement of air?
A.
Air masses move from west to east in the Northern Hemisphere.
B.
Air masses move from colder areas to warmer areas.
C.
Air masses move from high-pressure areas to low-pressure areas.
D.
Two air masses merge into one and share the properties of both original air masses.