Which experimental measurement can be extrapolated to determine the value of the absolute zero of temperature on the Celsius scale?
Measuring the volume of a fixed mass of gas at constant temperature as pressure is varied
Measuring the pressure of a fixed mass of gas at constant volume as Celsius temperature is varied
Measuring the volume of a fixed mass of gas at varying temperature and varying pressure
Measuring the random motion of smoke particles (Brownian motion) at a range of temperatures
