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Listen to native speakers pronounce “horizontality” in real conversational contexts with synchronized timestamps and subtitles.
And each layer of sand in between is in the exact chronological order I poured them in.Then there’s the principle of original horizontality: sediment beds are deposited in flat-ish lines, pulled by gravity.So if sedimentary rock layers don’t rest roughly horizontally, we can assume something— like shifting tectonic plates— knocked them into a wonky shape after the sediment solidified into stone.