An upper level trough is an indication of ________ air while an upper level ridge is an indication of ________ air.
A)rotating; still
B)cold; warm
C)warm; cold
D)sinking; rising

Question

Quizplus · Accepted Answer

An upper level trough is typically associated with cold air masses and a drop in temperatures, while an upper level ridge is associated with warm air masses and an increase in temperatures.

An Upper Level Trough Is an Indication of ________ Air