La historia de las innovaciones victorianas: Fracciones equivalentes (The History of Victorian Innovations: Equivalent Fractions)

Each title introduces readers to one important position in American government, explaining the duties of the office, how someone reaches that office, and famous leaders who have held that office in the past.

Ideal for English language learners, this Spanish-language series provides a lively first look at people and countries around the world. The simple text is supported by large, colorful photos. Titles feature an overview of each country's people, land, weather, homes, food, and lifestyle.

A family is a type of community, in fact, it's our first community experience. Like other types of communities, families have rules in order to function smoothly. A defined set of rules is good for all family members, regardless of their age. This book helps children understand why it's important for their family to have rules. Close picture-to-text correlation encourages readers to make connections with the text. Civics concepts from the C3 Framework for Social Studies are introduced at a level appropriate for early elementary students.

Los contenidos de este libro se corresponden con los de la unidad formativa 0219, del módulo "Montaje y mantenimiento de instalaciones de energía eólica", perteneciente al certificado de profesionalidad "Gestión del montaje y mantenimiento de parques eólicos". El montaje y mantenimiento de una instalación de energía eólica implica, como es lógico, amplios conocimientos de electrotecnia y electromagnetismo. Este libro contiene, además de nociones en ambos campos, información sobre los elementos eléctricos de un parque eólico, prestando especial atención a las redes eléctricas,...