Question

2.4.2 test (cst): computer - scored unit test
which kind of wind is most likely responsible for the movement of this weather system from dallas to st. louis and then to pittsburgh?
a. trade winds
b. southern polar easterlies
c. northern polar easterlies
d. westerlies

Explanation:

The westerlies are prevailing winds that blow from the west - to - east in the middle latitudes. The locations of Dallas, St. Louis, and Pittsburgh are in the middle - latitude region of the Northern Hemisphere. Trade winds blow near the equator, and polar easterlies are near the poles. So, the westerlies are most likely responsible for moving the weather system from west (Dallas) to east (St. Louis and then Pittsburgh).

Answer:

D. Westerlies