Saturno Airlines

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

Students will gain a deeper understanding of the Cold War by delving into major social studies topics in this project-based examination. The volume presents a series of broad questions touching on major themes in the social studies curriculum. Each question is accompanied by several paragraphs examining that question in the context of the Cold War, as well as a detailed project that prompts readers to think critically and present their findings or opinions in a particular format, such as a poster with side-by-side comparisons, a persuasive essay, or a class presentation.

Dale al DELE B2 prepara para la obtencion del nivel B2 y puede utilizarse en clase y de forma autonoma.-5 exámenes -descripcion de las diferentes pruebas y tareas -instrucciones y estrategias para realizar las diferentes tareas - transcripciones de los audios Extension digital acceso en www.enclave-ele.net/dele -Audio MP3 descargable -Soluciones -Hojas de respuestas con el formato del DELE B2