From the deepest ocean trench to the tallest mountain, plate tectonics explains the features and movement of Earth's surface in the present and the past. The theory of plate tectonics was ...
hinting that landmasses weren't on the move until that point. It's possible that different aspects of plate tectonics emerged at different times, Drabon noted. Perhaps subduction started 3.8 ...
For a long time this theory was widely accepted despite only limited evidence of convection currents ever being found, as modern imaging techniques have not been able to identify convection currents ...