What is a greenhouse gas? (1 point)

Question

• a gas that forms a physical barrier to block escaping heat
O a gas at higher temperature than the surrounding atmosphere
• any gas in the troposphere that absorbs and re-emits infrared radiation
• any gas in Earth's atmosphere

Answer 1

that contributes to the greenhouse effect

Answer 2

Pick the correct answer

Answer 3

The correct answer is:
• any gas in the troposphere that absorbs and re-emits infrared radiation