Answer:
Sardines, hazelnuts and prawns, for example.
Explanation:
Calcium is an alkaline metal that is not found in nature in its free form. It is a very important mineral for living organisms, especially in cell physiology, where the movement of calcium ions into and out of the cytoplasm acts as an important signal in many cellular processes. Because calcium is an important mineral in the construction of bones, teeth, and atria, it is the most common metal by weight in many animals.
