Fact 1: Fog is formed by water vapor condensing in the air.

Fact 2: Fog When driving, fog is an obstacle or a hindrance that makes things obscure.

Given the two facts above, answer the question "What can be water vapor condensing in air be a hindrance to?" with the following options: 
- eating
 - driving
 - survival
 - rain
 - movement
 - farming
 - vehicles
 - cooking


 

  driving       