A

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Q. The percentage of oxygen in the atmospheric oxygen is approximately

  • (A) 10%
  • (B) 20%
  • (C) 30%
  • (D) 70%
  • Correct Answer - Option(B)
  • Views: 1
  • Filed under category Geography
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Explanation by: Admin
Oxygen 20%
Nitrogen 78%
Other gases 1-2%

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