What will occur if a gas that is saturated with 100% relative humidity with no humidity deficit at 33.4 deg C (92.1 deg F) cools to 25.1 deg C (77.2 deg F)?
A. evaporation will decrease the humidity deficit
B. relative humidity will drop by about 25%
C. a humidity deficit will develop
D. relative humidity will remain 100%, rainout will occur