With Respect to the Three Main Lifting (Cooling)mechanisms (Local Heating,orographic,and

Multiple Choice

With respect to the three main lifting (cooling) mechanisms (local heating,orographic,and frontal) ,which of the following is correct?

A) the greatest average annual rainfall on Earth is due to local heating and frontal activity.
B) a single convectional storm triggered by local heating affects large geographical regions.
C) all three mechanisms do not occur within North America.
D) given the necessary physical requirements,orographic precipitation is usually the most consistent type of the three.
E) given the necessary physical requirements,frontal precipitation is usually the most consistent type of the three.