33 multiple-choice questions in College Board exam style. Each has four choices and a full explanation of why each option is right or wrong.
Read the question carefully before looking at the choices. Many APES questions have answers that look almost identical; small wording differences matter.
Think in tradeoffs. Nearly every Unit 5 topic involves comparing two methods: know the specific advantage and disadvantage of each.
Watch for the tragedy of the commons pattern. If a scenario involves a shared, unregulated resource, that framework likely applies.
Read the explanations even when you got it right. Each one teaches a small fact that often returns in a different form on the exam.