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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.

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.

Fun Facts About The Seasons Of The Year Draw The Reader Into This Delightful Book That Includes Weather Related Information.

These stocky, sturdy board books are perfect for little hands and stand up to lots of page turning as toddlers discover the amazing world of the farm.

Los misteriosos sucesos que abordan la realidad humana no dejan de impresionarnos. El limitado conocimiento de los acontecimientos se siguen manifestando como un milagro sin importar la ciencia que busque darle explicacion a cada cosa. En esta historia breve y no menos interesante por dicho detalle, encontraremos un evento, sin duda, admirable y fantastico.

With life-like illustrations and simple text, books in this series introduce children to different dinosaurs and the unique characteristics. Children learn the features of each dinosaur, what they ate, and whether they were predator or prey to other dinosaurs. The books also introduce fossils and how they play a role in our knowledge of dinosaurs' existence.