The earth tilts for different times of the year. During the summer Alaska is a lot closer to the sun than florida.
One reason that rock layers are not horizontal are because of erosion and it also depends we’re you find the rock layer
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.