Please help with this question.

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air

The largest employer of cartographers is the

The distance a car travels between the time the driver decides to stop the car and the time the driver puts on brakes is called the reaction distance. how does the reaction distance change with speed? a.reaction distance decreases with with speed b.reaction distance stays the same with speed c.reaction distance increases with speed. d.there is not enough information to answer the question