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WAEC Geography 2007 Question 20

Question 20

Rocks

Which of the following is an intrusive igneous rock?

  1. A.Shale
  2. B.Granite
  3. C.Sandstone
  4. D.Marble.
Show the answer and explanation

Answer: B (Granite)

Explanation

Granite cools slowly deep underground; shale and sandstone are sedimentary, marble metamorphic.