I think the inference that could be made is :
2. Earth's orbit has a greater distance between foci than the comet's orbit
both earth and comet has sun as their Foci, and from the diagram, the distance between earth and sun is far greater
I personally believe that the right answer is C. Other overpopulation results in more living organisms, and since the pollution has intoxicated the living, they die releasing the carbon into the soil. So there is high amounts of carbon and less of the organic compounds because the overdose on carbon.
Deforestation hope it helps.
The way of salvation with Christ is by following is commandments, praising him, spreading his words and reforming the lives of your brothers and sisters.
It is limited becuase of their amount of arable land