How does a psychrometer measure relative humidity?(1 point) Responses It compares the temperature in wet air and dry air. It compares the temperature in wet air and dry air. It compares the level of moisture in the air at different times of the day. It compares the level of moisture in the air at different times of the day. It compares the temperature to the level of moisture in the air. It compares the temperature to the level of moisture in the air. It compares wet air and dry air at two different elevations.
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A psychrometer measures relative humidity by comparing the temperature of a wet bulb (moistened) and a dry bulb (unenclosed) thermometer. The difference in temperature between these two bulbs is used to determine the moisture content of the air, thereby calculating relative humidity. Therefore, the correct response is:
It compares the temperature in wet air and dry air.
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