What caused the mechanism of Plate Tectonics to begin?

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The discussion centers on the origins of plate tectonics and the factors that may have caused the initial separation of landmasses into tectonic plates billions of years ago. While the exact triggers remain largely unknown, various theories have been proposed. The role of water in this process is questioned, with curiosity about its potential influence on tectonic activity. Further exploration into the geological history of Earth is suggested, with references to resources like Wikipedia for additional information on plate tectonics.
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Billions of years ago, something must have triggered rifts and the separation of the first landmasses into the first tectonic plates? Do we know what happened, when or how, and what Earth would have looked like at the time? Could water have played a part in this and to what degree? I'm genuinely curous about this, so I hope someone can help here. Thanks.

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