Most cultures had written tablets, writings, papers, etc that had dates and those were kept somewhere safe so we have it now and authors write them in textbooks that historians read
You can't see anything in a cave anyway however the main adaptations needed are touch and smell to stay alive and find food.
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it leads to the downfall of the business
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The North and South poles are located at opposite ends of Earth's axis. ... Besides location, another major difference between the two poles is that “the South Pole has Antarctica as a land mass, while the North Pole is located in the Arctic Ocean,” Urban said.
