Which of the following are greenhouse gases?
A: Methane.
B: Carbon dioxide.
C: Argon.
D: Freon gas.
A: Methane.
B: Carbon dioxide.
C: Argon.
D: Freon gas.
举一反三
- Questions 11 to 13 are based on the following talk on greenhouse gas. You now have 15 seconds to read Questions 11 to 13. Which is the most important greenhouse gas A: Methane. B: Carbon dioxide. C: Oxygen. D: Helium.
- Greenhouse gases include . A: carbon dioxide B: CFCs C: methane D: nitrous oxide
- Which of these anthropogenic greenhouse gases is the biggest contributor to net radiative warming? A: Methane B: Nitrous oxide C: Water vapor D: Carbon dioxide
- The most abundant greenhouse gas in the atmosphere is . A: nitrous oxide B: methane C: chlorofluorocarbons D: carbon dioxide
- Carbon dioxide is greenhouse gas.