Aula internacional. Libro del alumno. Con espansione online. Con CD Audio. Per le Scuole superiori

A scientific look at the natural processes that create waterfalls, and where they are likely to form.

¿Por qué es importante no malgastar el agua? ¿Qué podemos hacer nosotros para contribuir al ahorro? Acompaña a los protagonistas de esta historia y encontrarás las respuestas a esas preguntas. El libro incluye notas para padres y profesores, así como actividades lúdicas que ayudarán a reforzar su contenido.

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover.

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