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0 means any water outside will most likely start freezing, 100 means any water outside will be boiling. Makes sense to me. What temp do things start freezing in F? 30? 40? Doesn't make sense at all. What temp does water boil? 160? I dunno, none of it is rational in any way.
0/32/64/96 are somewhat reasonable breakpoints in F, and make dividing the space between them in half repeatedly on a thermometer simple. Fahrenheit was literally made up by Big Thermometer for this exact reason.
Lol, big thermometer.
"Somewhat reasonable"
they are all arbitrary numbers. Originally C actually had water freeze at 0 and boil at -100
Salt water freezes at 0F. Normal water at 32 F. Normal water boils at 212 F. Human body at 100 F (which is wrong, but also has been changing.) Below 10 F snot in nose freezes. 20 F is time to switch to long pants.
Water freezes at an obvious 32°F at sea level and of course boils at 212°F. What's so confusing about that? /s
Water boils at 99.9839 Celsius, not 100. What so confusing about that?