Write an appropriate label for each of the features, 1-6, in figure 14

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

How did the europeans design the national borders of africa? why?

Compare demographic and environmental effects of the columbian