This best selling AP Environmental Science study guide includes:<li>A new diagnostic test to pinpoint the test taker's strengths and weak areas</li><li>Two full-length practice exams with all questions answered and explained</li><li>A detailed review of all test topics, with practice questions and answers</li><li>An overview of the test plus helpful test-taking strategies</li><li>Hundreds of diagrams and illustrations<br>The book comes with a CD-ROM that presents two additional full-length practice tests with answers and automatic scoring.<br><br><b>BONUS ONLINE PRACTICE TEST</b>: Students who purchase this book or package will also get FREE access to one additional full-length online AP Environmental Science test with all questions answered and explained.<br><br><br><br><font color="0000FF"><b>System Requirements:</b><br><br><b>Microsoft® Windows®: </b><br></li><li>2.33GHz or faster x86-compatible processor, or Intel® Atom™ 1.6GHz or faster processor for netbooks<br></li><li>Microsoft® Windows® Server 2008, Windows Vista® Home Premium, Business, Ultimate, or Enterprise (including 64 bit editions) with Service Pack 2, Windows 7, or Windows 8 Classic<br></li><li>512MB of RAM (1GB of RAM recommended)<br><br><b>MAC OS: </b><br></li><li>Intel Core™ Duo 1.83GHz or faster processor<br></li><li>Mac OS X v10.6, v10.7, v10.8, or v10.9</li><li>512MB of RAM (1GB of RAM recommended)</font> <br><br></li>