Protecting Earth's Water Supply

by Ron Fridell

Book Overview

From roaring oceans to trickling streams, water covers seventy percent of our planet But did you know that less than one percent of Earth's water is usable by humans? Most water on Earth is salt... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1580138551
• ISBN13: 9781580138550
• Release Date: January 2009
• Publisher: Lerner Classroom
• Length: 72 Pages
• Weight: 0.45 lbs.
• Dimensions: 0.3" x 6.6" x 8.8"
• Age Range: 9 to 13 years
• Grade Range: Grades 4 to 8