Based on the given description above, the correct answer would be the last option. Based on the given information above when the climatologist finds volcanic ash at the bottom of the core, followed by increasing amounts of dissolved oxygen as she goes to the top of the core sample, this might be because a <span>volcano erupted, followed by a period of increased oxygen in the atmosphere. Hope this answer helps.</span>
I think you forgot to add the descriptions along with this question. Based on my research and knowledge, i am answering the question. Land reflects the sun's energy slowly, while oceans absorb the sun's energy more quickly and this best states how oceans and land absorb the sun's energy differently.
A-through an optimistic viewpoint.
Their progress and wealth is highly dependent on the harvests, and the price of grain. They probably have to import some industrial products and if they had a bad year (weather, other catastrophies, poor technology) they can't get the necessary amount of industrial products in exchange for their surplus e. g. in grain. There are so many standards and requirements about the quality of food production that no country can survive solely on agriculture without high quality technology (machines, unharmful fertilizers, research-based breeding, etc.).
D) He was the head of the Freedmen'd Bureau.
