"in 1990s, the international community expressed outrage over nigeria's "

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.

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

In the diagram below dab and dac are adjacent angles