Decomposers, producers, dead matter, and consumers are all part of the ecosystem. Which part does NOT give off carbon dioxide?

Producers do not give off carbon dioxide, in fact they actually need carbon dioxide to make glucose. Instead they give off oxygen.

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