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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?


To: longnshort who wrote (11154)4/4/2007 1:50:38 PM
From: Kenneth E. Phillipps  Respond to of 36921
 
Warming on Mars can be explained as a darkening of that planet's surface. A darkened surface absorbs heat rather than reflecting it. A darkened surface can be caused by the movement of dust on the planet's surface.