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The Greenhouse Effect, Some solar radiation, is reflected by the, Earth and the, atmosphere., Some of the infrared radiation, passes through the atmosphere., Some is absorbed and re-emitted, in all directions by greenhouse, gas molecules. The effect of this, is to warm the Earth's surface, and the lower atmosphere., Most radiation is absorbed, by the Earth's surface, and warms it., Atmosphere, Infrared radiation, Earth's surface, is emitted by the, Earth's surface.