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Energy Flow in an Ecosystem — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceEnergy Flow in an Ecosystem1 Mark
MCQ
Most organisms cannot use the free form of
  • A
    Oxygen
  • ✓
    Nitrogen
  • C
    Carbon dioxide
  • D
    Carbon monoxide
✓

Answer

Correct option: B.
Nitrogen
Nitrogen

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