Calcium (dairy products/cheese) and iron (eggs/fish) are examples of minerals; calcium is a major mineral. They are both healthy for your body.
Ca(NO3)2 -Calcium Nitrate
Iron, potassium and iodine are examples of chemical elements, not carbohydrates.
COINS DUMBAZZ
copper and iron
Metals that contain iron are called ferrous metals. Examples include steel, cast iron, and wrought iron.
Iron, Neon, and hydrogen.
copper, gold, iron
Examples of matter: water, air, iron. Non-examples of matter: light, sound, thoughts.
copper, gold, iron
Sulphur bacteria and iron bacteria.
Oxygen, gold, iron, and titanium.
zinc, iron