El sistema óseo (The Skeletal System)

Compares and contrasts the plants, animals, and indigenous peoples of the world's rainforests by continent, exploring secrets of survival in the forest and examining how human exploitation threatens these diverse habitats.

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

«Així som les persones, mil·limètriques motes de pols arrossegades pel món. Encara que sempre hi ha qui està disposat a aturar-se i lluitar.» Una moda amb lleis determinants ha estat creada per a la nova generació d'una xicoteta ciutat, en què tots han assumit les seues condicions sense qüestionar-les. Però, més enllà de vestir ales de colors, la moda s'apropiarà dels joves, anul·larà qualsevol pensament i callarà les seues veus. És llavors quan Belinda i Jaume decideixen promoure una rebel·lió cultural que torne a la seua generació el que mai els haurien d'haver llevat:...

Introduce students to Martin Luther King, Jr. with this Spanish-translated biography featuring dynamic primary source documents. Readers will learn about Civil Rights Movement leader and his inspirational life as he fought for equality and desegregation for African Americans through nonviolence. Students will also discover topics such as discrimination, sit-ins, the Nobel Peace Prize, and the March on Washington. Informational text features help students navigate the text.