Answer:

because of in kelvin the digree is started from 273 and in others scale it not be counted from 273digeers

Answer:

temperature measures in Kelvin's and 273 degrees Kelvin is called absolute temperature. Kelvin scale is used to easy to measure. because one magnitude of Kelvin's scale is less than one magnitude of Celsius scale of temperature. but in international system(S.I} we used Kelvin's scale