You are presented with the question "what falls from lower to higher altitudes?" and the following answer choices: 
- gravity
 - degrees celcius
 - clouds
 - kinetic energy
 - density
 - colder and wetter
 - water vapor
 - heat energy

Now knowing that temperature falls from lower to higher altitudes and temperature Temperature is recorded in degrees Celcius, choose the best answer.


 

  degrees celcius       