Medina, Phil. , <br/><br/>
Homework helpers :  earth science / 
Phil Medina. 
 - 350 pages :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>1564147673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences.
<br/><br/><label>LC Class. No.: </label>QE28   / .M43 2005