El complejo sistema hídrico de California: Read-along ebook

Técnico electricista 2 - Curso visual y práctico Corriente continua Conoceremos en detalle la caída de potencial y describiremos las características de los nodos, ramas y mallas, dentro de un circuito eléctrico. Enunciaremos las leyes relacionadas con la tensión y la corriente y, posteriormente, nos daremos a la tarea de aplicarlas en la realización de diversos tipos de conexiones, por ejemplo: la conexión de resistencias en serie, la conexión de resistencias en paralelo y también la conexión de capacitores. Para continuar, conoceremos el teorema de superposición y realizaremos un ...

"Pterodactyls are one of the most fascinating ancient creatures. Now in Spanish, this carefully leveled text includes fascinating facts about these fancy flyers in an accessible format. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement."

When her mother was worn out from caring for her five sisters, her father gave her lessons in brushwork and color. When polio kept her bedridden for nine months, drawing saved her from boredom. When a bus accident left her in unimaginable agony, her paintings expressed her pain and depression - and eventually, her joys and her loves. Over and over again, Frida Kahlo turned the challenges of her life into art. Now Jonah Winter and Ana Juan have drawn on both the art and the life to create a playful, insightful tribute to one of the twentieth century's most influential artists. Viva Frida!

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...