nitrogen and argon oxygen and sulfur dioxide carbon dioxide and water vapor hydrochloric acid and hydrogen
I gave my students this multiple choice question: Greenhouse gases in the atmosphere absorb infrared radiation from Earth's surface and re-radiates some of it back to Earth. Which of these gases have the most significant impact on the temperature of Earth's atmosphere?

Only one answer is correct among these 4 choices:
- nitrogen and argon
- oxygen and sulfur dioxide
- carbon dioxide and water vapor
- hydrochloric acid and hydrogen

Could you tell me which one is correct?

carbon dioxide and water vapor