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13 February, 00:06

Which of the following lists the composition of the Earth's outer core?

A. calcium, potassium

B. silicon, aluminum, calcium, sodium and potassium

C. iron, nickel

D. oxygen, magnesium, iron, aluminum, and calcium

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Answers (1)
  1. 13 February, 00:13
    0
    Well,

    The outer core of the Earth is mostly composed of iron and nickel.

    The correct option is C.
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