Which nutritional requirement is iron (Fe2+) considered to be a part of?
A. The major nutritional elements
B. Trace elements
C. Organic growth factors
D. Vitamins
E. A physical requirement
Answer: B. Trace elements
Which nutritional requirement is iron (Fe2+) considered to be a part of?
A. The major nutritional elements
B. Trace elements
C. Organic growth factors
D. Vitamins
E. A physical requirement
Answer: B. Trace elements
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.