CHEMICAL CYCLES IN THE BIOSPHERE - DVD

This interactive DVD features easy access to parts, key concepts and diagrams. Also includes guided questions and mastery quizzes. Video footage from around the world and updated computer graphics show how chemicals cycle within the biosphere. Emphasized are the oxygen-carbon dioxide cycle, the nitrogen cycle, the water cycle, acid rain and how toxic chemicals can affect the biosphere.

Secondary, College

*Includes Guide

#9323/0845

27 minutes

2004

Grades 9 to A

$109

*CC

Streaming Available

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