Answer:
Cobalt
Explanation:
Cobalt has the least requirement a day for an individual, at only 0.0015mg for both men and women. It can be obtained from fish, nuts and green leafy vegetables. Cobalt is utilized in the body to nourish digest and process vitamin B12.
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An effect associated with over nutrition is obesity(becoming overweight).
        
             
        
        
        
C) all white blood cells because like aids hiv attacks the immune system slowly killing you until u have no immune system left