You are presented with the question "what falls from the equator to the poles?" and the following answer choices: 
- heat energy
 - kinetic energy
 - refraction
 - water vapor
 - Energy
 - h2o
 - density
 - Fahrenheit

Now knowing that temperature falls from the equator to the poles and all temperatures are in Fahrenheit, choose the best answer.


 

        Fahrenheit 