1. Which statement about stable air is true?

It tends to resist rising.
It is associated with severe storms.
It tends to rise.
It is never associated with precipitation.

2. Cool air acts as a barrier over which warmer, less dense air rises, in a process known as _____.

divergence
subduction
orographic lifting
frontal wedging

3. Which is not a process that lifts air?

divergence
convergence
frontal wedging
orographic lifting

4. A low cloud that blankets the sky and often generates precipitation is called _____.

a nimbostratus cloud

Question

1. 	Which statement about stable air is true?

 	
	It tends to resist rising.
	It is associated with severe storms.
	It tends to rise.
	It is never associated with precipitation.

2. 	Cool air acts as a barrier over which warmer, less dense air rises, in a process known as _____.

 	
	divergence
	subduction
	orographic lifting
	frontal wedging

3. 	Which is not a process that lifts air?

 	
	divergence
	convergence
	frontal wedging
	orographic lifting

4. 	A low cloud that blankets the sky and often generates precipitation is called _____.

 	
	a nimbostratus cloud