Tectonic plates provide a wide range of biodiversity. The defense against mass extinction is diversity. Second, the tectonic plates provide our global thermostat by recycling chemical crucial to keeping the volume of carbon dioxide in our atmosphere relatively uniform. Third, plate tectonics is the dominate force that cause changes in sea levels, which in turn, are vital to the formation of minerals that keep the level of global carbon dioxide in check. Fourth, plate tectonics create continents on the earth. And finally, plate tectonics make possible the earth's magnetic field, the protection against cosmic radiation. [Learn More ...]

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