Answer:
Together the uppermost mantle and the crust act mechanically as a single rigid layer, called the lithosphere. The lithospheric outer shell of Earth is not one continuous piece but is broken, like a slightly cracked eggshell, into about a dozen major separate rigid blocks, or plates.
here you go hope this helps.
Answer: continental drift
Explanation:Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed.
Overpopulation means more people. The more people there are, the more resources needed to stupport the overpopulation. The more resources that are used the more of a deterioration of our ecosystem therefor causing global warming.
The only one that makes sense to me is D. All volcanoes actually form at plate boundaries, not in the middle of plates. But then again they can form in the middle if plates called a Hotspot.
C. a large population in a large area