You are presented with the question "What are global wind patterns caused by?" and the following answer choices: 
- Global cooling
 - electromagnetic energy
 - Global warming
 - exposure to cold
 - Equal radiation absorption
 - Greenhouse gasses
 - Greenhouse gases
 - Unequal radiation absorption

Now knowing that unequal heating of Earth 's surface by the Sun causes global wind patterns and unequal absorption of radiation causes unequal heating of the earth's surface, choose the best answer.


 

        Unequal radiation absorption 