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SSC CGL 2021 PYQ — Question 26

SSC CGL - 17 Aug 2021 - Shift 1 • General Awareness • Q26

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Almost 98% of Earth's crust is made up of eight elements. Which of the following does not figure among these elements?

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Correct answer: A

Explanation

The correct answer is Option 1 i.e Carbon.

  • 88.1 percent of the mass of the Earth's crust is made up of the elements oxygen, silicon, aluminum, and iron.
  • The remaining 11.9 percent is made up of another 90 elements.
  • The Earth's crust contains the most oxygen by mass.