Multiple choice

The upper most layer of the earth's surface is called _____.

  1. Rock

  2. Crust

  3. Core

  4. Mantle

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The crust is the outermost solid shell of the Earth, making up less than 1% of the planet's total volume. The mantle lies directly beneath the crust, followed by the core at the center.