the plate tectonics revolution: crash course geography #19 Published 3 years ago • 459K plays • Length 10:58 Download video MP4 Download video MP3 Similar videos 13:01 how does the earth create different landforms? crash course geography #20 10:30 the world before plate tectonics 2:18 why is all sand the same? 2:26 how two butterflies became one 2:37 plate tectonics explained