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Hipervinculo Química
Learn about manufacture of materials in the gas phase.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Educational resource aimed at getting students to research and identify ways of saving energy and protecting the environment in relation to energy consumption. Quizás quisiste decir: Saving energy ...
"We deal with the need, use, abuse and problems of energy, solar, wind and electric energy concepts, produced by very well-known elements: the sun, the wind, water. Energy uses in the home and ho ...
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