The diagram shows a thermometer used to measure temperature. A thermometer has degrees Celsius on the left from negative 40 to 50 and degrees Fahrenheit on the right from negative 40 to 120. The degrees on the right are circled with a label A pointing to the circle. The area on the thermometer marked with the letter A is called the .

A centigrade thermometer (Celsius) has 100 divisions or intervals between the normal freezing point and the normal boiling point of water. There are 180 divisions or intervals between the boiling and freezing temperatures when using the Fahrenheit scale. One Kelvin is equal in size to one degree Celsius.

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it’s called the scale , hope this helps you

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