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Which statement best describes the greenhouse effect?

It is a process by which plants are able to grow well in a warm, enclosed structure.
It is a process by which greenhouse gases block the sun’s light to penetrate the atmosphere.
It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping.
It is a process by which prevailing winds bring moisture to the land, to the prevailing wind direction.

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Answered by GPT-5 mini AI
"It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping."

Brief explanation: greenhouse gases (CO2, CH4, H2O vapor, etc.) let incoming shortwave solar radiation reach the surface, then absorb and re‑radiate outgoing longwave (infrared) heat, trapping warmth and raising Earth’s surface temperature.