Cool, falling air is associated with pressure areas.
high pressure
low pressure

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

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.