Animales En Peligro: Un Mundo de Especies Amenazadas

Si quieres regresar a los días en los que usabas pantalones deslavados, pulseras de goma, vestías sacos con hombreras, coleccionabas vasos de refresco, formabas tu ficha en las maquinitas y regresabas los casetes con una pluma, compra este libro. Y cuéntaselo a quien más confianza le tengas.

ELECTRICIDAD – Instalaciones eléctricas Diagrame y ejecute proyectos profesionales Presentamos el tercer tomo de la colección Electricidad, que complementa y finaliza el recorrido que iniciamos en Electricidad 1: fundamentos y seguridad, continuamos en Electricidad 2: elementos eléctricos y normalización. Esta última entrega reúne una serie de recomendaciones que es necesario considerar para crear el proyecto de instalación que acompañará un trabajo de electrificación. Por medio de una descripción detallada, abordamos temas tales como la puesta a tierra, las reglamentaciones para ...

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impacts it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, children will be inspired and engaged as they read through this book. This 6-Pack includes six...

This is a short fun book for children, showing them math simplified so they can learn it’s not hard and that it’s necessary to learn math in life. There are math questions and situations in this book showing that math can be applied in daily life. The book is also bilingual, meaning you can also introduce your child to Spanish or English. Math is a subject many children are scared of and tend to not embrace. This novel is made to break down some math, and the math problems are for children of a young age, for them to analyze and use critical thinking. The book features a nice math teacher ...