Barron's AP Environmental Science with CD-ROM (Barron's AP Environmental Science (W/CD))
(back cover)SCORE HIGHERwith BARRON'SFor 70 years BARRON'S experts have helped students surpass their expectations on standardized tests. This is the only book you will need to get the score you  want on the AP Environmental Science TestAn all-new diagnostic test to pinpoint your strengths and weaknessesAll content updated to reflect the most recent AP Environmental Science testsProven test-taking strategies for successSubject reviews covering Earth Systems and Resources; The Living World; and PopulationTwo additional practice tests with automatic scoring on the enclosed CD-ROMBARRON'S GIVES YOU THE ANSWERS!Every question in this book comes with a complete and comprehensive explanation