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Air — Social Studies STD 7 — Question

CBSE BoardEnglish MediumSTD 7Social StudiesAir1 Mark
MCQ
Green House gas is:
  • A
    Nitrogen.
  • B
    Oxygen.
  • C
    Ethane.
  • ✓
    Carbon dioxide.
✓

Answer

Correct option: D.
Carbon dioxide.

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