Drainage Systems Concepts
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Questions and Answers

Which river in the Western Drainage Systems flows southward?

  • Abay
  • Baro-Akobo
  • Ghibe (Omo) (correct)
  • Tekeze
  • Among the major rivers in the Western Drainage Systems, which one has the largest volumetric discharge and coverage?

  • Ghibe (Omo)
  • Baro-Akobo
  • Tekeze
  • Abay (correct)
  • What percentage of the total area of the country do the Western Drainage Systems drain?

  • 30%
  • 50%
  • 20%
  • 40% (correct)
  • Which region(s) does the Abay river basin cover?

    <p>Amhara, Oromia, and Benishangul-Gumuz</p> Signup and view all the answers

    In which direction do most rivers in the Western Drainage Systems flow before joining the Nile?

    <p>Westward</p> Signup and view all the answers

    What defines a drainage basin?

    <p>It is the region from which a river and its tributaries collect surface runoff and subsurface flow</p> Signup and view all the answers

    What determines the drainage pattern of an area?

    <p>Geological processes, nature and structure of rocks, topography, and slope</p> Signup and view all the answers

    Why are rivers observed to rise from higher slopes and flow towards lower areas?

    <p>As a result of complex physiographic setup and geological makeup</p> Signup and view all the answers

    How are Western and Southeastern drainage systems in Ethiopia separated?

    <p>By the Rift Valley system</p> Signup and view all the answers

    What role do faults and joints play in influencing rivers in Ethiopia?

    <p>Structurally influencing part of the courses of many rivers</p> Signup and view all the answers

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