Los biocombustibles

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

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

Adivina y Pegatina son libros de adivinanzas de estructura sencilla, siempre breves y en verso, que motivan a los niños y niñas a encontrar la solución. La solución, en este caso, viene dada en unas pegatinas que aparecen en las páginas finales del libro. De esta manera se pretende que el niño visualice el objeto que corresponde a la solución de cada adivinanza. Los enunciados de las adivinanzas están integrados en unas ilustraciones muy infantiles, sugerentes y divertidas formando libros mágicos y lúdicos que apetece leer y releer, porque siempre se encuentra algo nuevo. Cada...

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Summarized Classics" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of the following: Who Is Bourdieu, Some Properties Of The Fields, High Costume And High Culture, From The National Field To The International Field, Economy Of The...

Teach students about the life of Abigail Adams with this biography that has been translated into Spanish. Primary source documents and images will engage readers as they build their literacy skills and social studies content knowledge. This nonfiction book also encourages children to recognize someone who inspires them. Informational text features help students navigate the text.

During the American Civil War, the United States was on the brink of falling apart irrevocably. As states seceded and brother turned against brother, hope for reconciliation was dim. This conflict, an essential topic of the social studies curriculum, is skillfully presented from its origins in the Southern slave-trade economy to bloody battles and, later, Reconstruction. Striking photographs and artwork of integral events and people will resonate with readers, while interesting sidebar information gives them more to reflect on about this terrible war and the lessons it taught us.