Fact 1: Unequal heating of Earth 's surface by the Sun causes global wind patterns.

Fact 2: Earth is a planet in our solar system.

Given the two facts above, answer the question "what's surface is unequally heated by the sun to cause global wind patterns?" with the following options: 
- energy
 - bamboo
 - Energy.
 - an object
 - alluvial
 - oceans
 - coral
 - planet


 

        planet 