Técnico electricista 2 - Corriente continua

Cuando el petróleo se derrama, los trabajadores se apuran en limpiar la tierra y el agua. Pero los derrames de petróleo también pueden afectar a los animales que viven en la zona. ¿Quién ayuda a estos animales? En la Costa Este un equipo de Tri-State Bird Rescue & Research se apresura para llegar al lugar y salvar a la mayor cantidad de animales posible. Continúa leyendo para aprender cómo estos expertos capturan animales que han sido afectados por el petróleo y los curan rápidamente y de forma segura para que puedan regresar a la naturaleza. Este relato ilustrado de no ficción...

If you lived long ago, how different would life be from how it is today? Many things are different, but many things are the same! Introduce students to the concept of change as they compare homes, schools, jobs, technology, and transportation from the past and present. This primary source book uses dynamic primary source images and supportive text to integrate social studies content and language arts instruction. The accessible table of contents, glossary, and index work to aid students in better understanding the content. Aligned to state and national standards, this Spanish book will engage ...

Stephen F. Austin grew up to become known as the Father of Texas. Readers can learn about his interesting and incredible life in this appealing biography that has been translated into Spanish and highlights both Austin's life and Texas history. Through vivid images and illustrations, supportive text, an accommodating glossary and index, and fascinating facts, readers will learn about Texas pioneers, the empresario system, Freemasons, and how Austin became such an important figure in Texas history.

This Title Explains What An Ecosystem Is And How The Plants And Animals Within An Ecosystem Rely On And Effect Its Existence. Different Types Of Ecosystems Are Described, As Well As The Food Webs Within Them. How Some Changes To An Ecosystem Can Be Good And How Some Harmful Changes Can Destroy Them. Teaches Students What An Important Role They Can Play In Keeping These Intricate Ecosystems Alive.