The earth axis showing the tilted​

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.

What was the first official pair of sister cities?

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?