Answer:
D. Iron deficiency
Explanation:
Iron deficiency in the body of an individual would result in a condition known as anemia. Anemia a condition in which the blood lacks healthy red blood cells caused by insufficient iron. Iron is for the production of healthy red blood cells for transporting of oxygen.
One of the most common symptoms of deficiency of iron is tiredness and weakness. Also, the individual will have an abnormal cravings for non-nutritive substances like ice