Question

Question No. 17
• The inner core of the earth is composed of -----
Answer
A. Nickel and Ferrium
B. silica and Megnesia
D. Molter rocks and gases
C. Silica and Aluminium
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Answer 1

Explanation:

Question No. 17

• The inner core of the earth is composed of -----

Answer

A. Nickel and Ferrium

B. silica and Megnesia

D. Molter rocks and gases

C. Silica and Aluminium

Answer 2

Answer:

Unlike the mineral-rich crust and mantle, the core is made almost entirely of metal—specifically, iron and nickel. The shorthand used for the core's iron-nickel alloys is simply the elements' chemical symbols—NiFe. Elements that dissolve in iron, called siderophiles, are also found in the core.

Explanation:

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