The unit used to express water temperature on the Celsius scale is?

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Multiple Choice

The unit used to express water temperature on the Celsius scale is?

Explanation:
Temperature is expressed in the unit that belongs to the scale being used. On the Celsius scale, temperatures are written as degrees Celsius (°C). This scale is defined with 0°C as the freezing point of water and 100°C as the boiling point at 1 atm, so expressing a water temperature uses that unit. Other options belong to different scales—degrees Fahrenheit (°F), kelvin (K), and degrees Rankine (°R)—but they’re not the unit for the Celsius scale.

Temperature is expressed in the unit that belongs to the scale being used. On the Celsius scale, temperatures are written as degrees Celsius (°C). This scale is defined with 0°C as the freezing point of water and 100°C as the boiling point at 1 atm, so expressing a water temperature uses that unit. Other options belong to different scales—degrees Fahrenheit (°F), kelvin (K), and degrees Rankine (°R)—but they’re not the unit for the Celsius scale.

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