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Discussion :: Environmental Science

  1. The percentage of water vapour present in the air compared to that required for saturation is the:

  2. A.

     Mixing ratio

    B.

     Absolute humidity

    C.

     Dew point

    D.

     Relative humidity

    E.

     Specific humidity

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    Answer : Option D

    Explanation :

    Air with a 50 percent relative humidity actually contains one-half the amount of water vapor required for saturation. Air with a 100 percent relative humidity is said to be saturated because it is filled to capacity with water vapour.


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