A relative humidity of 100 percent means that air is? by Sunday | Jun 13 | Geography WAEC | 0 comments A. unsaturated B. saturated C. dry D. moist Correct Answer: Option B – saturated Users Also Read These:If the partial pressure of water vapour at 27°C is…The mass of water vapour in a given volume of air is…The total debtor's account of a trading concern is…A shareholder who holds 100,000 shares of 50 butts…The instrument used for measuring relative humidity…