Class 11 Geography NCERT Solutions Chapter 8 Composition and Structure of Atmosphere
Class 11 Geography NCERT Solutions Chapter 8 Composition and Structure of Atmosphere 1. Multiple choice questions. (i) Which one of the following gases constitutes the major portion of the atmosphere? (a) Oxygen (c) Argon (b) Nitrogen (d) Carbon dioxide Answer: (b) Nitrogen Explanation: Nitrogen (N2) constitutes the largest portion of Earth’s atmosphere, accounting for approximately …
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