Cunningham, William P. <br/><br/>
Student study guide to accompany environmental science :  a global concern. / 
William P. Cunningham, Barbara Woodworth Saigo and prepared by Darby Nelson. 
 - 5th. ed. 
 - Boston :  WCB McGraw-Hill,  c1999. 
 - 275p. :  illus. ;  27.5cm. 
<br/><br/> Includes answers. 
<br/><br/> Young Adult 
<br/><br/><label>ISBN: </label>0697412512 
<br/><br/><label>LCCN: </label>96083891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental conservation.<br/>Environmental sciences.