You are presented with the question "what does uneven heating of Earth's surface cause?" and the following answer choices: 
- kinetic energy
 - global warming
 - erosion
 - moving air
 - sweating
 - contamination
 - to move people
 - flooding

Now knowing that uneven heating of the Earth 's surface cause wind and wind is air that is moving, choose the best answer.


 

    moving air     