Respuesta :
Conduction is the process of heat transfer when the tongue on hot toast.
What is Conduction?
This is a type of heat transfer which involves the movement of particles as a result of being in contact with each other.
The tongue and the hot toast being in close contact with one another thereby depicts conduction which was why option 2 was chosen as the most appropriate.
Read more about Conduction here https://brainly.com/question/893656