Where did we get this from? Well, first of all, let's define what a liquid is and what qualities it has. According to Wikipedia, "the liquid takes the form of a vessel" and maintains an "almost fixed volume". Well, cats love to do the same! If you have a cat or a cat, you have probably observed this phenomenon more than once. Cats will not miss the opportunity to get into any jar, box, pot, no matter how small they are! Still don't believe that cats take any form of vessel? See.
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