# The humidity of air measured in percentage is called

 [ A ]    absolute humidity [ B ]    specific humidity [ C ]    relative humidity [ D ]    all of these
 Answer : Option C Explanation : The amount of water vapour in the air at any given time is usually less than that required to saturate the air. The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density. Relative Humidity = actual vapor density / saturation vapor density x 100%