Answer: (C) Are not permanent effects
Explanation:
The effects of the fatigue are not mainly classified as leaning as they are not the permanent effect. The effects of the fatigue are generally not classified as permanent effect as the fatigue is caused by the headache, anxiety.
The fatigue problem is become a common health problem. The problem of fatigue results into the lack of sleep and mental activities. The fatigue problem is known as temporary effect and it increases the medical problem in many cases.
Therefore, Option (C) is correct.
