Of the following, which does <strong>NOT</strong> belong to a nuclear reactor?

  1. A. A turbine
  2. B. A heat exchanger
  3. C. A mechanism to reduce CO_{2} emission
  4. D. A reaction chamber

Correct Answer: C. A mechanism to reduce CO_{2} emission

Explanation

Nuclear reactors generate power through nuclear fission, a process that does not produce carbon dioxide (CO_{2}) emissions. Therefore, a mechanism to reduce CO_{2} emissions is unnecessary.

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