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WAEC Geography 1996 Question 15

Question 15

Structure of the Earth

The density of the upper part of the lithosphere is

  1. A.1.2
  2. B.1.7
  3. C.2.0
  4. D.2.7
  5. E.3.0
Show the answer and explanation

Answer: D (2.7)

Explanation

The upper crust (SIAL, granite) has an average density of about 2.7; the lower SIMA is about 3.0.