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You can have tectonic plates even on a water world, that is still "land" under there, you just have enough water to cover it all. In your case, any tectonic plates carrying enough land to break t...
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You can have tectonic plates even on a water world, that is still "land" under there, you just have enough water to cover it all. In your case, any tectonic plates carrying enough land to break t...