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Tissues — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceTissues1 Mark
MCQ
The mineral elements found in our bone making it hard, are:
  • A
    Sodium and calcium.
  • B
    Calcium and phosphorus.
  • C
    Phosphorus and sodium.
  • D
    Sodium and potassium.
✓

Answer

  1. Calcium and phosphorus.

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