I believe the answer is C
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.
Hope this helps:)
Answer:
Damage to the central nervous system (CNS) can cause a neurological disorder called central pain syndrome (CPS). The CNS includes the brain, brainstem, and spinal cord.
I would say feelings of worthlessness. You can't really see it on their body, but they can tell you if they choose to, so that makes it hidden in my opinion.
I hope that helps!