Squall lines most often form ahead of a
a. cold front.
b. warm front.
c. cold-type occluded front.
d. warm-type occluded front.
e. stationary front.
Question 2
Before the passage of a cold front the pressure normally ____, and after the passage of a cold front the pressure normally ____.
a. drops; drops
b. drops; rises
c. rises; rises
d. rises; drops
e. does not change; drops