Unequal heating of Earth 's surface by the Sun causes global wind patterns, and winds are a key factor in determining global weather patterns. Given these facts, what is a key factor determining global weather patterns among the following options:
- influenza orthomyxoviruses
 - Something with a head, thorax, and abdomen
 - The atmosphere
 - Water density
 - Underground movement
 - Unequal heating of the earth
 - health
 - the sun's energy


 

      Unequal heating of the earth   