Question

Which of the following is NOT a greenhouse gas?

• A. Carbon dioxide
• B. Methane
• C. Oxygen
• D. Nitrous oxide

Answer 1

Answer:

C. Oxygen

The gases that cause the greenhouse effect are known as greenhouse gases. The main greenhouse gases are carbon dioxide, methane, chlorofluorocarbon, nitrous oxide, and ozone. The most significant greenhouse gas is carbon dioxide.