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Discussion :: World Climate and Weather

  1. The vertical speed of air is called

  2. A.

     Wind

    B.

     Air current

    C.

     Air outburst

    D.

     Velocity of air

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    Answer : Option B

    Explanation :

    Air currents can be horizontal as well as vertical currents. The vertlcal air currents can be mechanically and thermally induced. Mechanically induced are the ones which occur at convergence & divergence points of air on earth, also locally when air rises vertically due to topography, while thermally induced vertical air currents occur when air expands & rises due to heat & the above lying cooler air comes down.


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