Hydrosphere: freshwater systems and pollutions/

Desonie, Dana.

Hydrosphere: freshwater systems and pollutions/ Dana. Desonie -- New York, New York: Chelsea House., 2008.
194 p. ill.; 24 cm.

Includes bibliographical references and index.

978-0-8160-6215-7


Water- Pollution- environmental aspects- Juvenile literature.
Water- Pollution- health aspects- Juvenile literature.
Freshwater- Juvenile literature.
Water- Purification- Juvenile literature.

GR 551.48 D466h 2008