Multiple Choice
Low-pressure systems tend to form where ____.
A) a warm air mass is expanding
B) a cold air mass is being forced to collide with a warm air mass
C) a warm air mass is being forced to collide with a cold air mass
D) warm air and cold air are moving parallel in the same direction
E) warm air and cold air are moving in parallel but opposite directions
Correct Answer:

Verified
Correct Answer:
Verified
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