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CISCEICSE ICSE Class 7
Textbook Solutions10260
Concept Notes & Videos205
Syllabus

Choose the Correct Answer. 21 per Cent of the Atmosphere is Composed of

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Question

Choose the correct answer.
21 per cent of the atmosphere is composed of

Options

  • Helium

  • Oxygen

  • Nitrogen

  • Hydrogen

MCQ
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Solution

Oxygen

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Atmosphere and Its Layers
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Q 2
Chapter 3: Composition and Structure of the Atmosphere - Choose the correct answer

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Oxford University Press Voyage Geography [English] Class 7
Chapter 3 Composition and Structure of the Atmosphere
Choose the correct answer | Q 2
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