Experimentos Sencillos De Química

Resumen del Libro

Is our planet truly in danger? How can we avoid further destruction of our environment? Through its eye-catching photographs, full-color illustrations, and easy-to-follow text, this series gives readers an understanding of natures phenomena and explains why the Earths delicate ecological balance is being upset. This series teaches children all about our planet so they may gain an understanding of how to preserve it. Text copyright 2004 Lectorum Publications, Inc.