Answer: I think 1 major reason most of the world changed to the Celsius scale in 1948 was because this scale divides the temperature into 100 degrees, 0º C being the freezing point of water, and 100º C being the point at which it boils. During winter we often see temperatures below 0, and the scale might show temperatures between -2 and -10 degrees Celsius. On the other hand, the temperatures increase in spring and summer, and thermometers show temperatures higher than 10 degrees Celsius.
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