El ferrocarril transcontinental (The Transcontinental Railroad)

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

Daphne still visits her husband's family, even though their mansion brings back painful memories of her husband's death after a violent argument with his father. Eight years have gone by, but mystery of what really happened still haunts the family. Daphne turns to her brother-in-law, Dimitri, for support. When the two begin to feel attracted to one another, Daphne feels even more conflicted. Will she find the answers she is desperately seeking?

Este cuaderno se dedica por entero al estudio de las normas de uso de los llamados signos de puntuación y de algunos otros signos ortográficos. Al final, hay también un apartado que se dedica al repaso de algunas reglas de ortografía de la palabra, que fueron estudiadas en cuadernos anteriores.

Discusses the physical characteristics, feeding and mating behavior, interaction with humans, and habitat of whales.