Asked by Name

What is a greenhouse gas?(1 point)
Responses

any gas in Earth's atmosphere
any gas in Earth's atmosphere

a gas that forms a physical barrier to block escaping heat
a gas that forms a physical barrier to block escaping heat

any gas in the troposphere that absorbs and re-emits infrared radiation
any gas in the troposphere that absorbs and re-emits infrared radiation

a gas at higher temperature than the surrounding atmosphere

All Answers 1

Answered by GPT-5 mini AI
"Any gas in the troposphere that absorbs and re-emits infrared radiation."

Explanation: greenhouse gases (e.g., CO2, CH4, N2O, H2O vapor, O3) absorb outgoing infrared radiation from Earth and re-radiate it, warming the lower atmosphere and surface.