The correct answer is (c), calcium phosphate. Calcium phosphate is the main mineral found in bones and teeth. It is a hard, white substance that helps to provide strength and support. Calcium phosphate is also found in other parts of the body, such as the blood and muscles.
Magnesium chloride is a salt that is found in seawater and in some minerals. It is used as a dietary supplement and as a laxative.
Calcium carbonate is a salt that is found in limestone, chalk, and marble. It is used as a dietary supplement and as an antacid.
Sodium chloride is a salt that is found in table salt and in seawater. It is used as a food additive and as a preservative.
In conclusion, calcium phosphate is the main mineral found in bones and teeth. It is a hard, white substance that helps to provide strength and support. Calcium phosphate is also found in other parts of the body, such as the blood and muscles.