Arthur Conan Doyle

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.

Convi�rtete en un ingeniero experto y construye impresionantes obras de redstone con esta gu�a oficial de Minecraft. Aqu� aprender�s a usar los componentes de redstone, a montar circuitos funcionales y a levantar ingeniosas estructuras. Con informaci�n privilegiada por parte de los expertos de Mojang, �sta es la gu�a definitiva para las obras de ingenier�a de Minecraft. ENGLISH DESCRIPTION Learn the art of redstone and become a master engineer with Minecraft: Guide to Redstone, then put theory into practice to construct intricate contraptions in Minecraft. Pick up the basics...

Los problemas y retos del medio ambiente cada día están más presentes tanto en los medios de comunicación como en la agenda de los gobiernos. La ecología es una disciplina altamente compleja, porque en ella convergen ciencias como la biología, la meteorología o las políticas económicas e industriales. 105 ideas de ecología ha sido diseñado para acercar al lector de a pie a las cuestiones medioambientales que afectan al presente y al futuro de nuestro planeta. De la biodiversidad al efecto invernadero, pasando por conceptos como el nicho ecológico o el bioma, este pequeño gran...

Introduce little ones to the vowels through the help of La Catrina in both English and Spanish! Don't forget to round out the o for ofrenda, and carefully sound out your i for iluminación just in time to light the way to the celebrations. Inspired by one of the strongest icons of Día de Muertos or "Day of the Dead," this book introduces little ones to the vowels in both English and Spanish - and teaches them to recognize them by the sound they make! This book is perfect for parents to guide their little ones through the vowels in both English and Spanish, as well as introduce them to the...