What is the primary role of the respiratory system in living organisms? a. to make carbon dioxide b. to obtain oxygen c. to use up nitrogen d. to find hydrogen

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

because the light is a great source of energy for the plants to survive. (i hope this )