Final answer:
Vitamins are essential chemicals for the body, while electricity is not considered a chemical.
Explanation:
Vitamins are essential chemicals needed in small amounts by the body but cannot be produced internally. They aid in enzyme functions and do not provide energy. On the other hand, electricity is not a chemical; it is a form of energy. While chemicals encompass a wide range of substances like plastics, food additives, and more, electricity belongs to the realm of physics rather than chemistry.
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