The diagram shows water boiling at room temperature. 15 Pressure gauge Vacuum chamber 2.0 0.5 2.5 Thermometer 30 23 °C Boiling water Which relationship explains how the water can boil at room temperature? A. Lower air pressure results in a lower boiling point B. Lower air temperature results in a higher boiling point. C. Lower air pressure results in a higher boiling point. D. Lower air temperature results in a lower boiling point.