Hydrosphere: Freshwater Sytems and Pollution (Our Fragile Planet)

By Dana Desonie

Earth is the water planet, but only a tiny amount of the planet's water is fresh and usable, and water pollution has become a monumental dilemma as we enter the 21st century. Though developed nations... This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 0816062153
• ISBN13: 9780816062157
• Release Date: October 2007
• Publisher: Chelsea House Publications
• Length: 194 Pages
• Weight: 1.45 lbs.
• Dimensions: 0.7" x 7.7" x 9.4"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12