35 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.
Know your plate boundary types cold. Convergent, divergent, and transform each produce distinct geologic features and hazards.
Think in layers. Both the atmosphere (troposphere, stratosphere) and soil (O, A, B, C, R) are organized into layers: know which processes happen in which layer.
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.