American Educational Plate Tectonics DVDPlate tectonics DVD Continental drift to the latest computer analysis of movements at plate boundaries DVD is approximately 20 minutes long Plate tectonics DVD. This program explores the fundamentals of the plate tectonics theory from alfred wegener's observations on continental drift to the latest computer analysis of movements at plate boundaries. DVD is approximately 20 minutes long. Product Dimensions (L x W x H): 193 x 254 x 15 MM Product Weight:
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