Cuando me porto bien

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

Las flores brillantes, los tiernos animalitos, las plantas frescas. ¡Hay colores por todos lados en la primavera! Explora los colores del mundo a tu alrededor. ¿Qué colores te hacen pensar en la primavera? ¿Qué puedes crear con los colores de la primavera? Anima a los lectores a reconocer el color del mundo real y a crear sus propias obras de arte inspiradas en la primavera por medio de fotos vibrantes y texto lírico. Bright flowers, cute baby animals, fresh plants--colors are everywhere in spring! Explore color in the world around you. What colors make you think of spring? What can you ...

Este libro no es una Historia de la Arquitectura Civil Española al uso. Tampoco pretende ser un inventario de la riqueza monumental española. Lo que pretende es aportar un avance en terrenos hasta el momento no explorados. Obra adornada con multitud de láminas y grabados. Abarca desde el siglo I al XVIII y va dividida en dos tomos, donde el primero se dedica a la arquitectura privada y el segundo a la arquitectura pública.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.