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WAEC Geography 2021 Question 19

Question 19

Rivers and River Landforms

Which drainage pattern is best established in the areas of alternate hard and soft rocks

  1. A.Trellis
  2. B.Centripetal
  3. C.Radial
  4. D.Annular.
Show the answer and explanation

Answer: A (Trellis)

Explanation

Where bands of hard and soft rock alternate, tributaries cut along the soft bands and join the main streams at right angles, giving a trellis pattern.