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Which factor contributes to the appearance of aging but can be controlled?

  1. Intrinsic factors

  2. Extrinsic factors

  3. Genetic mutations

  4. Biological aging

The correct answer is: Extrinsic factors

Extrinsic factors refer to external sources such as environmental exposure, lifestyle choices, and personal habits that can contribute to the aging process. Genetic mutations and biological aging, on the other hand, are often beyond our control. Intrinsic factors, while they also play a role in aging, cannot be controlled as they are a natural part of the aging process. Therefore, B is the best answer as it refers to factors that can be influenced by our choices and behaviors.