<span>Guyots are seamounts that have built above sea level. Erosion by waves destroyed the top of the seamount resulting in a flattened shape. Due to the movement of the ocean floor away from oceanic ridges, the sea floor gradually sinks and the flattened guyots are submerged to become undersea flat-topped peaks.</span>
I am not completely sure, but I think it might be B, Migration out of a stage 3 or 4 country is higher than migration to it.
The appalachian mountains.
there isnt really any explanation it just is the appalachian mountains.
