As an air parcel expands and cools, or compresses and warms, with ...

[debasdf]

As an air parcel expands and cools, or compresses and warms, with no interchange of heat with its surroundings, the situation is called
 
  A) temperature equilibrium.
  B) an adiabatic process.
  C) stable equilibrium.
  D) lapse rate.

Question 2

Warm air rises and cools as it expands. Warm air will continue to rise as long as it is
 
  A) denser than the surrounding air.
  B) warmer and less dense than the surrounding air.
  C) warmer and less dense than the air above.
  D) snowing.

[Sarahjh]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B