La Sociedad Económica de Amigos del País de Liébana en el siglo XIX

Learn about the rich history of Mission San Juan Capistranol: how it started, the people who ran it, the indigenous population, and its legacy today.

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

In English and Spanish, teach children how to avoid potential dangers, ask for help, follow directions, use things carefully, and plan ahead. The world can seem like a perilous place. But even very young children can learn basic skills for staying safe in ordinary situations and preparing for emergencies. Without scaring kids (or alarming adults), this English-Spanish bilingual book about safety for kids teaches little ones how to avoid potentially dangerous situations, ask for help, follow directions, use things carefully, and plan ahead. Includes questions, activities, and safety games that ...

El racismo constituye una de las páginas más vergonzosas de la historia contemporánea. Una ideología del odio que ha marcado las relaciones entre las culturas y las naciones de nuestro tiempo presente. El presente libro trata de acercarse a las raíces históricas e ideológicas de la doctrina racista, a su desarrollo mundial durante los siglos XIX y XX y a su ocaso en nuestros tiempos. La cuestión se expone con un lenguaje claro, pero a la vez riguroso y muy contrastado, exponiendo numerosas citas de especialistas en el tema, o de las propias fuentes originales.