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Energy Flow in an Ecosystem — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceEnergy Flow in an Ecosystem1 Mark
MCQ
is used up in the processes like respiration, combustion, decomposition, corrosion, rusting, etc.
  • A
    Nitrogen
  • ✓
    Oxygen
  • C
    Argon
  • D
    Helium
✓

Answer

Correct option: B.
Oxygen
Oxygen

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