Question

tell me answer friend.​

Answer 1

Celsius also called centigrade scale based on 0% for the freezing point of the water and 100% for boiling of water

Answer 2

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The Celsius temperature scale is a common System Internationale (SI) temperature scale (the official scale is Kelvin). The Celsius scale is based on a derived unit defined by assigning the temperatures of 0°C and 100°C to the freezing and boiling points of water, respectively, at 1 atm pressure.