The lower and upper fixed points marked on a Mercury-in-glass thermometer are 210mm apart. The end of the mercury column in the tube is 49mm above the lower fixed point in a room. What is the temperature of the room in degrees Celsius?
A. 55.3\(^o\)C B. 23.3\(^o\)C C. 49.0\(^o\)C D. 16.43\(^o\)C
