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Jr. High Science is the perfect series for inquisitive minds that are eager to grow. Explore geological examples of cause and effect and ponder mysterious black holes. Examine the effects of pollution and species extinction on nature's balance, study ecology, discover the natural forces that shape and define the earth's weather and climate, and explore the universe. On these CD-ROMs you'll find thousands of images, hours of multimedia presentations, hundreds of interactive questions and answers, and a customized electronic glossary. -- Amazon.com Product Description Increase Your Grade In Science with Semester 2Product InformationTurn your computer into an interactive education tool!From nearby in space the earth seems vast but in the colossal scope of theuniverse it is a barely noticeable speck. It is however a uniq See also:
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