You are presented with the question "Cold fronts cause what as they pass by?" and the following answer choices: 
- lightning
 - flooding
 - vaporization
 - bleaching
 - Fog is formed
 - solar coronas
 - eclipses
 - rainfall

Now knowing that cold fronts cause thunderstorms as they pass by and lightning Occurs with ALL thunderstorms, choose the best answer.


 

 lightning        