Animals wrestling is a way of learning called
social learning
playing
insightful learning
latent learning

The correct answer for the blank is- playing.

Learning can be described as modification in the behavior of an individual that is acquired through skills, knowledge, and gain of experience.

Wrestling is a playful behavior in animals that is also considered as a way of learning in them. It helps in acquiring skill of battle, which is essential in hunting their prey. This helps them in acquiring various strategies needed for their survival ( such as fighting for obtaining food).

Thus, playing is the right answer.

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do