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  1. Which has the lowest albedo?

    2. A.

     Dark surfaces
    B.

     Light surfaces
    C.

     Both A & B
    D.

     None of the above

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    Answer : Option A

    Explanation :

    Albedo is a measure of reflectivity.
    This clearly indicates that all black surfaces have the lowest albedo. Fresh snow reflects approximately 95 percent of the sun's rays so it has the highest albedo.

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