In contrast to the Celsius scale (measured in degrees centigrade) that fixes 0° at the freezing point of water and the Fahrenheit scale that uses 32°, the Kelvin scale fixes 0° at absolute zero (-273°C) which is the lowest temperature possible in the universe.
Absolute zero is which of the following?
0°C |
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the coldest temperature possible in the universe |
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the freezing point of hydrogen |
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the freezing point of oxygen |