Pollution lab (His Scientists at work)

By Melvin A. Berger

Examines the work of various scientists searching for remedies and solutions to the pollution problem. This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0381996298
• ISBN13: 9780381996291
• Release Date: January 1974
• Publisher: John Day Co
• Length: 125 Pages
• Weight: 1.01 lbs.
• Age Range: 8 to 10 years
• Grade Range: Grades 3 to 5