Remember, you must have a title page, 300 word body written in 3rd person, and at least two references. the temperature remains constant and moisture is added by evaporation, the absolute humidity(volume of water per volume of air) will increase, the relative humidity (percentage of saturation achieved) will also increase and the dew point temperature will also increase.
Say a cubic meter of air at 15 degrees Celsius with about 7 grams water has an absolute humidity of 7 gr / m3, a relative humidity of about 50 percent (because at 15 C the air is saturated with about 13 grams of water) and the dew point temperature