Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Through vivid, engaging images, children will be introduced to different types of animals. Parents and children will enjoy a shared reading experience, with photographs showing animal parents and babies in their natural habitats. Young learners who do not yet know how to read, or those who are just beginning, will be inspired to tell their stories with this wordless book that supports early childhood literacy.

Book Features: • Ages 4-8, Grades PreK-2 • 16 pages, 8 inches x 8 inches • Simple, patterned Spanish text with full-color pictures • Includes comprehension questions, writing prompts, and high frequency words • Graphic organizers and photo glossary included Gassed About Learning: In Listos para las Ciencias: ¿Dónde está el Gas?, preschoolers—second graders learn the science behind matter such as gas, and where it can be found! Science Made Fun: Gas is everywhere. Do you know where gas is? Young readers learn fascinating facts about matter such as gas! Build Reading Skills: This ...

Este libro describe la historia del Jiu Jitsu, desde los orígenes de las artes marciales, hasta su publicación. Es el primer libro cuya temática se circunscribe al desarrollo histórico del Jiu Jitsu de Costa Rica.

En la actualidad, todas las organizaciones son en alguna manera “empresas de software”, ya que la calidad de sus sistemas de información se ha convertido en uno de sus principales objetivos estratégicos y, más que nunca, su propia supervivencia depende de la calidad de los productos y servicios informáticos. La industria del software tiene casi setenta años y en este período ha realizado grandes avances, ya que disponemos de lenguajes de programación más sofisticados, procesos de desarrollo más maduros, y las aplicaciones que se construyen en la actualidad son más complejas. Sin ...