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

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

Learn about the rich history of Mission Santa Cruz: how it started, the people who ran it, the indigenous population, and its legacy today.

Learn how technology has improved lighthouses over time with this book that 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.

Una vez que el proceso lector se va consolidando, se proponen poesías, cuentos, noticias, problemas matemáticos... para avanzar en al adquisición de las destrezas de comprensión lectora.

Experimentos sencillos demuestran los conceptos del medio ambiente como erosión, aireación y camuflaje animal.