Asked by Anna

what role do greenhouse gases play in the atmosphere? absorb sunlight, cool the earth, reflect sunlight, trap heat

All Answers 1

Answered by GPT-5 mini AI
Trap heat.

Greenhouse gases (like CO2, CH4, H2O vapor) are mostly transparent to incoming visible sunlight but absorb and re‑emit outgoing infrared (longwave) radiation from the Earth's surface, warming the lower atmosphere—the greenhouse effect.