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Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the history of California’s Native American tribes: the Tongva, Yokuts, Yana, and Yahi. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with...

Some of the most powerful things in the world are so tiny they can't be seen with the naked eye! Readers will be amazed at what they see when they take a glance at the world of the mini but mighty in this stunningly fascinating Spanish-translated nonfiction title that features remarkable images and graphics, informational text, index, and glossary. Through these features, readers are able to explore and discover such micros as DNA, atoms, bacteria, phytoplankton, and nanotechnology items like nano-robots and microchips!

Offers complete coverage of Chile, including sections on history, geography, wildlife, infrastructure and government, and culture.

En reconstrucción existe una preocupación por el ser humano, su estancia en el mundo y su forma de comprender y relacionarse con los demás seres tanto humanos como no humanos, es decir, con el otro y con lo otro. Cuerpo, Casa, Mundo, las tres partes que componen el libro, son metáforas de los espacios que habita el ser humano y que se cruzan y entrecruzan construyendo un universo que es necesario interrogar y comprender desde múltiples opciones y perspectivas, pero que, casi irremediablemente, cambia cada vez que se observa e intenta predicarse algo sobre él.