Multiple choice

What is the earth made of?

  1. crust and core

  2. crust, mantle, core

  3. mantle and core

  4. none of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Geologically, the Earth is divided into three main compositional layers: the outermost thin crust, the thick silicate mantle beneath it, and the dense metallic core at the center.

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