¡Terremotos! (Earthquakes!) 6-Pack

Diecisiete descubrimientos asombrosos que fueron claves y que marcaron el rumbo de nuestra historia. La mayoría de los hallazgos arqueológicos ocurren después de meses o años de investigación minuciosa y trabajo meticuloso..., pero a veces solo hay que estar en el lugar correcto en el momento adecuado para descubrir algo asombroso, ¡por casualidad! Este libro es una aventura en la que reviviremos algunos de los descubrimientos más sorprendentes y extraordinarios con los que se toparon personas normales y corrientes de distintas partes del mundo. Desde el hallazgo de Herculano a...

Regina no sabe que un simple contrato cambiará su vida para siempre, y Emma no sabe que ese contrato le traerá aquello con lo que siempre ha soñado

We often don´t stop to think about the origin of certain foods, but many of the foods we consume today only reached us as a result of great discoveries and the subsequent international commerce between east and west. This book brings us closer to the complex relations between different cultures and shows us the importance of ocean voyages in the development of international commerce.

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.