The Dead Sea is almost 10X saltier than the oceans, and the Dead Sea is shrinking. As the water evaporates, the salt is left behind. Consequently, as the Dea Sea shrinks, it becomes saltier.[spoiler]This is a metaphor.[/spoiler]
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The Dead Sea was also named before microscopes existed.. The sea is full of microbial life.. Humans are ignorant.. As is the OP..