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Energy resources: solar energy

Energy resources: solar energy - for iBooks - June 06, 2011 00:13 - application/epub+zip ★★★ - 3 ratings
Energy from sources other than fossil and nuclear fuels is to a large extent free of the concerns about environmental effects and renewability that characterize those two sources. Each alternative source supplies energy continuall, whether or not we use it, and most have their origins in energy g...