موضوع تعبير بالانجليزي عن الطاقة المتجددة
Photovoltaic or thermal solar energy Solar energy is produced by the sun''s radiation. One distinguishes the photovoltaic energy which, as its name implies, transforms the energy contained in the solar radiation into electricity, solar thermal energy which, in turn, transforms this same radiation into heat. The air at the origin of wind energy ...