Question

what are the two most important minerals that is stored in bones?
potassium and iron
iron and calcium
calcium and phosphorus
calcium and potassium

Explanation:

Bones store minerals. Calcium is crucial for bone structure and strength. Phosphorus also plays a vital role in bone mineralization. Iron is mainly in blood (in hemoglobin), potassium is more involved in nerve and muscle function (not major bone - stored minerals).

Answer:

calcium and phosphorus