Fact 1: Awarm front causes cloudy and rainy weather.

Fact 2: If warm air is advancing on cold air, the front is designated a warm front.

Given the two facts above, answer the question "What is most likely to result from warm air advancing on cold air?" with the following options: 
- white outs
 - energy of moving objects
 - heat is produced
 - a tree falling
 - cloudy and rainy weather
 - tsunamis
 - freezing nitrogen
 - kinetic energy


 

     cloudy and rainy weather    