An occluded front forms when a: a. dryline catches up to a warm ...

[NClaborn]

An occluded front forms when a:
 a. dryline catches up to a warm front.
 b. warm front catches up to a dryline.
 c. cold front catches up to a warm front.
 d. warm front catches up to a cold front.

Question 2

Overrunning, the rising of warm air over cold air, is associated with:
 a. warm fronts.
 b. cold fronts.
 c. drylines.
 d. All of these choices.

[KKcool]

Answer to Question 1

c

Answer to Question 2

a