SSC CHSL 2022 PYQ — Question 34

SSC CHSL - 30 May 2022 - Shift 2 • General Awareness • Q34

Which outside layer of the Earth is less dense, thick, and andesitic to granite composition?

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. Continental crust.

  • Continental Crust Continental crust is mostly composed of different types of granites.
  • Granite is the ultimate magmatic silicate rock and among the most prominent constituents of the upper crust.
  • Continental crust covers 41percent of the Earth's surface, though a quarter of that area is under the oceans. The continental crust is 20 to 80 kilometers thick