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Discussion :: Environmental Science

  1. A heat transfer process in the atmosphere that depends upon the movement of air is:

  2. A.

     Conduction

    B.

     Absorption

    C.

     Reflection

    D.

     Convection

    E.

     Radiation

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    Answer : Option D

    Explanation :

    Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature. Warm air is less dense than cold air, and so convection currents can form in the presence of a temperature gradient.


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