Free Download The science book: everything you ned to know about the world and how it works. National Geographic By National Geographic Society (U. S.)
2008 | 431 Pages | ISBN: 1426203373 | PDF | 67 MB
A comprehensive visual reference offering facts from all major fields of science is organized into six sections--the universe, planet Earth, biology, chemistry, physics, and mathematics--and includes timelines, sidebars, and cross-references.
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