Minerals are chemical elements that are essential for body processes.
Iron deficiency anemia is associated with low levels of the mineral iron in the body.
Iron is a chemical element that is essential for body processes.
What is a chemical element that is essential for body processes?

1: potash
2: atoms
3: arsenic
4: copper
5: H 2 O
6: sodium
7: dihydrogen monoxide
8: iron