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Major Domains of the Earth — Social Studies STD 6 — Question

CBSE BoardEnglish MediumSTD 6Social StudiesMajor Domains of the Earth1 Mark
MCQ
The major constituent of atmosphere by per cent is:
  • ✓
    Nitrogen.
  • B
    Oxygen.
  • C
    Carbon dioxide
  • D
    None of these
✓

Answer

Correct option: A.
Nitrogen.

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