The Fahrenheit scale is a temperature scale based on one proposed in 1724 by Dutch-German-Polish physicist Daniel Gabriel Fahrenheit (1686 -- 1736). It uses the degree Fahrenheit (symbol: ° F) as the unit. Several accounts of how he originally defined his scale exist. The lower defining point, 0 ° F, was established as the temperature of a solution of brine made from equal parts of ice, water and salt (ammonium chloride). Further limits were established as the melting point of ice (32 ° F) and his best estimate of the average human body temperature (96 ° F, about 2.6 ° F less than the modern value due to a later redefinition of the scale). The scale is now usually defined by two fixed points: the temperature at which water freezes into ice is defined as 32 ° F, and the boiling point of water is defined to be 212 ° F, a 180 ° F separation, as defined at sea level and standard atmospheric pressure.\n\nAnswer this question: what temperature does water boil at in fahrenheit? OK. Let's think. My stream of consciousness:
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The important part for answering this question is: The scale is now usually defined by two fixed points: the temperature at which water freezes into ice is defined as 32 ° F, and the boiling point of water is defined to be 212 ° F, a 180 ° F separation, as defined at sea level and standard atmospheric pressure. The answer is 212 ° F.
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