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Energy Flow in an Ecosystem — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceEnergy Flow in an Ecosystem1 Mark
MCQ
is a sedimentary cycle.
  • A
    Carbon
  • B
    Nitrogen
  • C
    Oxygen
  • ✓
    Calcium
✓

Answer

Correct option: D.
Calcium
Calcium

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