Keeping the Air Clean

by John D. Baines

Explains the phenomenon of air pollution and discusses the importance of preserving clean air. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0817249362
• ISBN13: 9780817249366
• Release Date: January 1998
• Publisher: Raintree
• Length: 48 Pages
• Weight: 0.80 lbs.
• Dimensions: 0.4" x 9.0" x 11.1"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7