In what year did Anders Celsius propose his temperature scale?
1735
1740
1742
1747
Answer
In 1742, Anders Celsius proposed his temperature scale, which is based on the freezing and boiling points of water. The scale is divided into 100 degrees, with 0 degrees being the freezing point of water and 100 degrees being the boiling point. Celsius' scale was later reversed so that 0 degrees was the freezing point and 100 degrees was the boiling point.
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