City A
Tair = 80o F
Td = 40o F
City B
Tair = 70o F
Td =
50o F


Based on the information given above (Tair is the air temperature, Td is the dew point temperature), would CITY A  or  CITY B have the highest relative humidity?  Would  CITY A  or  CITY B  have the highest mixing ratio?  Would  CITY A  or  CITY B  have the highest saturation mixing ratio?  (hint: you can use three pieces of information: the air temperature, the dew point temperature, and the difference between Tair and Td to answer this question)


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