John Muir

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.

El Mayflower es un barco que ha llegado a ser célebre en la historia de los Estados Unidos porque en 1620 transportó desde Inglaterra al grupo conocido como "los peregrinos", quienes serían los primeros colonos europeos en establecerse en Norteamérica. Ellos zarparon desde el puerto inglés de Southampton y bautizaron como Nueva Inglaterra a la tierra que los acogió. Como señala este libro, el Pacto del Mayflower designa el acuerdo que los hombres adultos de esta comunidad firmaron a bordo del barco para fijar criterios generales que sirvieran como fundamento para el gobierno de la...

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

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

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

The Sri Lanka Travel Map from Periplus is designed as a convenient, easy-to-use tool for travelers. Created using durable coated paper, this map is made to open and fold multiple times, whether it's the entire map that you want to view or one panel at a time. Following highways and byways, this map will show you how to maneuver your way to banks, gardens, hotels, golf courses, museums, monuments, restaurants, churches and temples, movie theaters, shopping centers and more! This 3rd edition includes maps and plans that are scaled to: Area Map: Sri Lanka 1:525,000 City Plans:Colombo 1:15,000...

Plymouth Rock chickens and Silkie chickens are just a couple of the many breeds of chickens living on farms. Readers will learn how farmers raise chickens and what different breeds are called. This high-interest book combines eye-catching photographs with manageable text to best reach its readers. Readers will love learning chicken fun facts, while gaining an understanding of why chickens are farmyard staples. Text is supported by a variety of tools, including a picture glossary, table of contents, index, and additional websites.

«Vivimos en este planeta como si tuviéramos otro, y olvidamos que la tierra no nos pertenece: nosotros le pertenecemos a ella. Somos hijos de la tierra, y la tierra confía en nosotros.» Estamos en un momento único en la historia. Y este libro, cuyas palabras brotan de las voces de Jane Goodall, Jacques-Yves Cousteau, David Attenborough, Greta Thunberg o Félix Rodríguez de la Fuente, nos recuerda que debemos cuidar y amar nuestro hogar, porque de esto depende nuestro futuro.