Dew PointFor the following questions refer to the temperature and dew point data in the following cities:
CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106Suppose the dew point of cold outside air is the same as the dew point of the indoor air. If the door is opened and cold air replaces some of the warm air, what is the new relative humidity indoors?
A. higher than before
B. the same as before
C. impossible to tell from the information given
D. lower than before
Answer: A
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