Which of the following best explains why wind action is more predominant in Arid regions than in Humid regions?

A. Loose surface materials and the absence of vegetation cover
B. Excessively high temperature during the day and night
C. Insufficient and unreliable rainfall
D. Lack of surface drainage and the presence of strong winds
E. Gently rolling terrain and fast-flowing rivers

Correct Answer:

Option A – Loose surface materials and the absence of vegetation cover