Plate Tectonics. Spectra of Science Amole 2013. Continental Drift. Proposed by Alfred Wegener in 1915. Supercontinent Pangaea started to break up about 200 million years ago. Continents "drifted" to their present positions. Evidence. Some continents coastlines seem to “fit” together
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Spectra of Science
about 200 million