La vida en los océanos

Amphibians can be found all over the world. There are more than 7,500 kinds of amphibians living in streams, rainforests, deserts, and everywhere in between. Many of them are in danger due to a deadly fungus, but help is on the way! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in ...

¿Y si tu marido fuese tu peor enemigo? ¿Y si ni siquiera su muerte te librara de él? Cuando el barón Hamilton fallece de forma inesperada, su viuda, la joven Marian Fillmore, cree que por fin se verá libre de un esposo abusivo y maltratador. Sin embargo, las condiciones que establece en su testamento la obligan a permanecer atada a un lugar al que odia y a su cuñada, tan cruel y déspota como su hermano. La llegada del hijo del barón, procedente de América, será la única luz de esperanza en el porvenir de Marian. Solo él será capaz de cambiar su destino y el de las personas a las...

Learn How Dams And Levees Are Built As Well As The Effects They Have On River Systems In A Region, And Places Downstream.

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.