. 14 Days of Practice Question sets.
. 4 total new format AP Practice Exams
. Easy to use Scoring Guidelines to all Free Response questions.
. Clean, simplified and easy-to-understand answers with clean, clear explanations.
. Over 20 PES, mass spec and analysis questions.
. Over 100 questions based on graphs, diagrams and Tables.
. A question or more for just about every Learning Objective.
We took our time to remove, revise, and/or replace over 90% of the questions from our 2013 Edition.
*AP is a registered trademark of the College Board, which was not involved in the production of, and does not endorse this product.