2 organism in the third trophic level?

At the third level, primary carnivores or meat eaters eat the herbivores

I'm not sure if this is the answer to your question

Explanation:

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.