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Photosynthesis and Respiration — BIOLOGY STD 7 — Question

ICSE BoardEnglish MediumSTD 7BIOLOGYPhotosynthesis and Respiration1 Mark
MCQ
Exhaled air contains
  • ✓
    more carbon dioxide
  • B
    more oxygen
  • C
    more nitrogen
  • D
    more hydrogen
✓

Answer

Correct option: A.
more carbon dioxide

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