We want you to succeed on your AP* exam. That's why we've created this 5-step plan to help you study more effectively, use your preparation time wisely, and get your best score. This easy-to-follow guide offers you a complete review of your AP course, strategies to give you the edge on test day, and plenty of practice with AP-style test questions. You'll sharpen your subject knowledge, strengthen your thinking skills, and build your test-taking confidence with, Full-length practice exams modeled on the real test, All the terms and concepts you need to know to get your best score, Your choice of three customized study schedules, so you can pick the one that meets your needs, The 5-Step Plan helps you get the most out of your study time: Step 1: Set Up Your Study Program, Step 2: Determine Your Readiness, Step 3: Develop the Strategies, Step 4: Review the Knowledge, Step 5: Build Your Confidence. Topics include: Earth Science Concepts * Atmosphere * Global Water Resources * Soil and Soil Dynamics * Ecosystem Structure * Natural Cycles and Energy Flow * Population * Agriculture and Aquaculture * Forestry * Land Use * Energy * Nuclear Energy * Renewable Energies * Pollution * Global Change.