The correct answer is B) it slows down the rate of evaporation.
Increasing humidity impact the rate of evaporation in that it slows down the rate of evaporation.
Evaporation is the process when a liquid turns into a gas. The correct name is evaporation. The process of evaporation depends on the density of the liquid, temperature, humidity, pressure, the speed of the wind, and the surface of the land. There are liquids that evaporate more rapidly than water such as kerosene and petroleum.