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WAEC Geography 2003 Question 16

Question 16

Rocks

Chalk is a good example of

  1. A.plutonic igneous rock
  2. B.organically formed sedimentary rock
  3. C.mechanically formed sedimentary rock
  4. D.extrusive igneous rock.
Show the answer and explanation

Answer: B (organically formed sedimentary rock)

Explanation

Chalk is made from the shells and skeletons of tiny sea creatures, so it is an organically formed sedimentary rock.