In what regions are solar, wind , biomass , geothermal , hydro and ocean are cost effective?

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

answerhomologous structures;

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;