Delfines y Ballenas

Técnico electricista 4 - Curso visual y práctico Corriente alterna En esta clase nos encargaremos de profundizar en la generación de corriente alterna y conoceremos los valores típicos de este tipo de corriente. Además, revisaremos las inductancias, los capacitores y la aplicación de la corriente alterna en estos componentes.Para terminar, veremos los efectos propios de la corriente alterna, y caracterizaremos la resonancia y los armónicos.

As a teen who may be worried about certain warning signs a friend is exhibiting, it’s important to know how to recognize and confront an eating disorder. After all, teens are the most impacted group for developing eating disorders. Learn how the pressures of school, dating, and athletics contribute to body image issues and why teens are vulnerable. Explore eating disorders that people commonly have and how they are treated. Readers from grades six through twelve will have a relatable text to help them understand how they can make a difference to someone they care about.

California grew by leaps and bounds between the Gold Rush and 1900. People from different backgrounds emigrated to California from across America and around the world in search of a new life. This primary source reader focuses on immigration in California from the time of the Gold Rush to the end of the nineteenth century. Primary source documents allow students to see different points of view, and help students look at the world and current issues with a historical lens. This Interactiv-eBook builds literacy and social studies content knowledge through the use of intriguing primary sources...

Jae is about to embark on the greatest challenge of his life—biking 150 miles in two days to raise money for the National MS Society. But after he falls on his first practice race, will he be able to overcome his fear and ride again? Especially appealing to reluctant readers, this short, 32-page hi-lo book features full-color illustrations and a fast-paced story to capture the attention of kids who enjoy realistic fiction stories!