প্রশ্ন ও উত্তর
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?
সঠিক উত্তর
magnesium and sodium
মন্তব্য
Authentication required
You must log in to post an answer.
Log in