Multiple choice general knowledge science & technology

The Earth Core made up of mostly which type of materials?

  1. Mg+Ni

  2. Ni+Al

  3. Al+Fe

  4. Ni+Fe
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Earth's core is primarily composed of iron (Fe) and nickel (Ni), based on seismic evidence and studies of meteorites. This composition explains Earth's magnetic field and high density. P-waves and S-waves behave differently in the liquid outer core versus solid inner core.

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