Which of the following is NOT a greenhouse gas? |
Nitrous oxide Nitrogen Argon Both 2 and 3 |
Both 2 and 3 |
The correct answer is option 4: Both 2 and 3 Oxygen, nitrogen, and argon are not greenhouse gases. Greenhouse gases include carbon dioxide, methane, nitrous oxide, and water vapor, which trap heat in the Earth's atmosphere, contributing to global warming. |