When you woke up this morning, the temperature was -3.4°C. At bedtime, the temperature was 1.7°C. Which expression and statement describes the situation? -3.4>1.7, so -3.4°C is warmer than 1.7°C. 1.7=12(-3.4), so 1.7°C is half as cold as -3.4°C. 1.7>-3.4, so 1.7°C is warmer than -3.4°C. 1.7<-3.4, so 1.7°C is colder than -3.4°C.