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Carbon: An Important Element — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceCarbon: An Important Element1 Mark
MCQ
Exhaled air contains about CO2.
  • ✓
    0.04
  • B
    0.03
  • C
    0.05
  • D
    0.06
✓

Answer

Correct option: A.
0.04
0.04

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