the principal constituent of atmosphere is:

FPSC Past Papers / All - Multiple-choice practice

ماحول کا بنیادی جزو ہے

  1. A. Carbon
  2. B. Oxygen
  3. C. None of these
  4. D. Nitrogen

Correct answer

Nitrogen

Explanation

Explanation nitrogen Therefore, the majority of the atmosphere is nitrogen, which accounts for 78% .

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