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  1. The instrument that measures and records the relative humidity of air is

    2. A.

     Hydrometer
    B.

     Hygrometer
    C.

     Lactometer
    D.

     Barometer

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    Workspace

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    Answer : Option B

    Explanation :

    A hygrometer is an instrument used to measure relative humidity. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer.

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