The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?

সাধারণ বিজ্ঞান Basic Information of Daily Science, Inventions and... 07 Oct, 2020

প্রশ্ন The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?

  • ক.
    calcium and potassium
  • খ.
    calsium and magnesium
  • গ.
    calsium and sodium
  • ঘ.
    magnesium and sodium

সঠিক উত্তর

magnesium and sodium

মন্তব্য

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