Which of the following abilities is not a physical property of matter? -
A) ability to conduct heat
B) ability to dissolve in other substances
C) ability to react chemically with other substances
D) ability to conduct electricity

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

is this a psat question, if so do not cheat try your best.