John Muir

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Esta excelente biografía del célebre químico francés está dirigida especialmente a los lectores jóvenes y presenta los logros más significativos de este importante científico. Él realizó investigaciones decisivas sobre la fermentación y las bacterias, sostuvo que los gérmenes eran los responsables de las infecciones y desarrolló el proceso de la pasteurización, de enorme importancia para la economía y la salud pública. Además, descubrió las vacunas contra el ántrax y la rabia. También fue el primer director del Instituto Pasteur, fundado en 1888 para investigar los virus y ...

What will it take to send people to Mars in the next 25 years? Students will learn that problem solving is an essential component of NASA’s planned mission to mars. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math, language arts, and STEM content. Students will learn problem solving while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make...

Parte 1. 1. Osteointegración y materiales de los implantes - 2. Implantes, pilares y tipos de rehabilitación protésica con implantes - Parte 2. 3. Obtención del modelo de prótesis sobre implantes - 4. Férulas radiológicas y quirúrgicas - 5. Las prótesis fijas implantosoportadas - 6.Sobredentaduras.

Clara Barton lived her life to help others. This inspiring biography introduces readers to the Angel of the Battlefield in the Civil War, who spent her life caring for others on and off the battlefields. The vivid images, helpful timeline, and informational Spanish-translated text work together to depict Clara's journey from a young Civil War nurse to the president of the American Red Cross. A table of contents, glossary, and index aid in vocabulary improvement and better understanding of the content.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.