This question has options. Select from options: Read this fact: "fog is formed by water vapor condensing in the air"

Now answer this question: "Someone is driving at night. The day was warm, but now the night is cool, and there is a lot of mist that is difficult to see through. The mist is prevalent because"

Pick from:
1). humidity from the day condensed as night progressed.
2). warm air is usually found in daytime.
3). it is always misty at night.
4). the cool air makes everything feel warm.
1).