Los biocombustibles

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...

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.

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

Read Along or Enhanced eBook: Learn the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies!

It's Sometimes Hard To Be Honest But This Book Teaches Students The Importance Of Being Honest At Home, In School, And In Their Everyday Lives. It Has An "Honesty Quiz" At The Back Of The Book Where Students Can See Just How Honest They Really Are. Complete K-5 Social Skills Collection. Paired With A Fiction Social Skills Title.

La teoría de conjuntos es una rama de las matemáticas, y cuya dedicación de este capítulo, es gracias al matemático, Ferdinand Ludwing Philipp Cantor, quien es considerado el padre de la Teoría de Conjuntos, debido a ello, es que, en el año 1874, salió su primer trabajo revolucionario, con respecto a la teoría de conjuntos.

The pursuit and apprehension of art thieves in this activity book introduces young readers to the greatest artists and paintings of the 20th century. A hungry, art-devouring gang of mice is ruining the collection of paintings at the Museum of Contemporary Art—and they must be captured. Having only small shreds of paintings that he has found scattered through the galleries, the director enlists the readers to help him identify the ruined works and track down the culprits. La búsqueda y la aprensión de criminales de arte introducen a jóvenes lectores a los grandes artistas y pinturas del...