Respuesta :
Relative humidity. A psychrometer has two thermometers, one for dry-bulb temperature and the other wet-bulb temperature.
Answer:
Relative humidity
Explanation:
Relative humidity is a measure of the amount of water vapor (moisture) present in the atmosphere.
Relative humidity is measured by an instrument known as hygrometer. A psychrometer is a variant of hygrometer that utilizes both wet and dry-bulb thermometer to estimate relative humidity.