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Doctors Medicines MCQs Q&A

  1. Chlorofluorocarbons (CFCs)
  2. Molecular oxygen (O2)
  3. Nitrous oxide (N2O)
  4. Carbon dioxide (CO2)
  5. Methane (CH4)
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1 Answers

Answer: Option 2

Molecular oxygen (O2) is not believed to be responsible for enhancing the earth's greenhouse effect.

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