You are presented with the question "What does uneven heating of earth's crust cause?" and the following answer choices: 
- force
 - harm
 - Rain
 - Snowstorm
 - cracks
 - Wind
 - Injury
 - Hurricanes

Now knowing that unequal heating of Earth 's surface by the Sun causes global wind patterns and wind is air that is moving across the surface of Earth, choose the best answer.


 

      Wind   