Las cadenas alimentarias en el desierto (Desert Food Chains)

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

El planteamiento globalizador que rige el enfoque de este estudio, cuenta también con una catalogación exhaustiva de casi dos centenares de referencias, que no excluye la referencia concreta a todas las obras románicas de la región que han dejado algún vestigio y a las desaparecidas de las que existe constancia documental. A través de sus páginas, trata de evidenciar la riqueza del arte románico en el Principado, cuantitativa y de gran valor artístico en algunas de sus creaciones, comparables, como en el caso de las ovetenses, a los grandes ejemplos del románico internacional.

Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very different. However, they’re very similar. Readers learn the basic structure of the mammal life cycle through simple language and accompanying diagrams that show the cycle step by step. The main content offers a way for struggling readers to more easily learn an important science curriculum topic, but can also be a great review tool for any reader.