HomeEveryday Science MCQsWhat is the main component of bones and teeth? 739. What is the main component of bones and teeth?By Admin / September 17, 2025 A. Calcium carbonate B. Calcium phosphate C. Calcium sulphate D. Calcium nitrate ✅ The correct answer is option B.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin