Question

the temperature scale that has lower fixed point at zero degree Celsius and the upper fixed point at hundred degree celsius is called opptions
Celsius scale
Kelvin scale
Fahrenheit scale
Absolute scale​

Answer 1

Answer:

To define the Celsius temperature scale two "reliable" temperatures are used. These are, the melting point of pure ice, which gives us the lower fixed point of the scale and the boiling point of pure water (at atmospheric pressure) which gives us the upper fixed point.

Answer 2

Answer:

To define the Celsius temperature scale two "reliable" temperatures are used. These are, the melting point of pure ice, which gives us the lower fixed point of the scale and the boiling point of pure water (at atmospheric pressure) which gives us the upper fixed point.