Visitor rating
Explains why the Earth's atmosphere is in a constant state of flux. Begins by explaining the composition of the atmosphere, the atmospheric changes that have taken place throughout history, why they take place, and how these changes have a profound influence on life on planet Earth. Also spurs discussion on pollution solutions.
United Learning, 1560 Sherman Ave., Ste. 100, PO Box 48718, Evanston, IL 60201, Phone: (888)892-3484, Fax: (847)328-6706, Email: info@interaccess.com, URL: http://www.unitedlearning.com, Remarks: A division of Discovery Communications
Available on VHS
Running time 15 minutes.
Copyright © 2024 Net Industries - All Rights Reserved