8/16/2011. Medieval Helpdesk Bsp3dDo&feature=related Bsp3dDo&feature=related.
Earth and Space Grade 10 ST 2011. dc_M&feature=related.
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Sunlight heats the Earth The warm Earth radiates energy (in the form of infrared radiation, or heat) back out Some of this infrared radiation is trapped in the atmosphere, giving Earth its temperate climate THIS= Greenhouse effect