A mid-winter, mid-latitude cyclone that reaches the West Coast is least likely to:
A. have formed near Japan.
B. bring rain to coastal Oregon.
C. bring snow to the mountains of Washington.
D. head north when reaching the Rocky Mountains

D. head north when reaching the Rocky Mountains

Explanation:

Mid-latitude cyclone forms at the polar areas when the temperature difference are large and Coriolis deflects the winds in the right and thus they are called as the winter storms

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”