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    Question

    By which process relative humidity of a parcel of air can be increased?

    A. Adding dry air from outside

    B. Adding moisture from outside

    C. Decreasing its radiation

    D. Increasing wind speed

    E. Increasing temperature

    Choose the correct answer from the options given below:

    A C only Correct Answer Incorrect Answer
    B A only Correct Answer Incorrect Answer
    C B only Correct Answer Incorrect Answer
    D D and E only Correct Answer Incorrect Answer

    Solution

    By adding moisture from outside, air parcel will cool down and hence  its RH will increase

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