This is the least important factor that can influence environmental lapse rate:
A) heating of the lower atmosphere.
B) advection of cold and warm air at different levels.
C) advection of an air mass with a different environmental lapse rate.
D) changes in the amount and type of air-borne pollutants.
Question 2
This the most important mechanism for stopping the rise of unstable air parcels:
A) encountering a layer of stable air.
B) entrainment.
C) friction.
D) reaching the lifting condensation level.