This is not science. How can it be tested? We cannot remove the remove the presence of the moon and the sun to attempt to falsify this hypothesis. The tidal presence of both are a constant variable that may or may not have a relationship to tectonic movement (probably does) but how do we prove it? At this juncture, it is only a conjecture, perhaps an observation of a correlation.
Where,d that double “remove the” come from? Ah, well. . .
...but how do we prove it?
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Scientists usually do not claim to “prove” any hypothesis; an experiment has the capability merely of supporting said hypothesis.