As a cold front moves into a warm air mass A) there is a ...

[itsmyluck]

As a cold front moves into a warm air mass
 
  A) there is a substantial horizontal pressure gradient at heights of a kilometer or more above the surface of the two air masses.
  B) the cold front has a smaller vertical pressure gradient than does the warm air.
  C) the cold front slopes backward at a ratio of between 1:5 and 1:20.
  D) the warm air subsides and is overrun by the cold front.

Question 2

Upper-level convergence
 
  A) has no effect on convergence at any level.
  B) is primarily an effect in the horizontal dimension.
  C) does not result in pressure changes.
  D) is not a response to pressure gradients.

[Benayers]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: B