You are presented with the question "How is heat transferred?" and the following answer choices: 
- rays or beams
 - kinetic energy
 - photons
 - heat energy
 - sweating
 - energy
 - convection
 - Evaporation

Now knowing that when a cooler object touches a warmer object , thermal conduction occurs and heat transfer is by conduction, convection, and radiation, choose the best answer.


 

       convection  