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| Description: Successful theory must account for Cooling of Earth, as well as Short-term climatic changes Proposed possible causes Plate tectonics Continents were arranged differently Changes in oceanic circulation Picture Stats: Views: 512 Filesize: 150.1kB Height: 921 Width: 753 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39504 |