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...

INCLUYE RECETARIO CON VARIAS RECETAS Aprenderás a elaborar auténticos jabones naturales mediante el llamado “proceso de saponificación en frío”. Este tipo de jabones artesanos limpian en profundidad todo tipo de pieles, especialmente las pieles delicadas y sensibles. No contienen ningún tipo de detergente y son ecológicos y biodegradables. Aprenderás a personalizarlos con diferentes propiedades para cada tipo de piel. Hacer jabones en casa es barato. Los ingredientes necesarios para hacer jabón son económicos y fáciles de conseguir. Además, puedes hacer los jabones para tu...

This folklore treasure chest is filled with tongue twisters, riddles, poems, songs, and stories. These timeless tales, and the Victorian illustrations that accompany them, highlight the joys of children's daily activities. Text copyright 2004 Lectorum Publications, Inc.

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

Ricardo the pack rat has collected so much stuff that his rat hole is full. Includes facts about pack rats.