Fact 1: Minerals are chemical elements that are essential for body processes.

Fact 2: Iron deficiency Anemia is associated with low levels of the mineral iron in the body.

Given the two facts above, answer the question "What is a chemical element that is essential for body processes?" with the following options: 
- potash
 - atoms
 - arsenic
 - copper
 - H 2 O
 - sodium
 - dihydrogen monoxide
 - iron


 

        iron 