<p>Well, I decided to self-study AP Environmental Science next year and tried doing the "hardest" problem on the 2012 APES Exam. According to the score distribution from this website: 2012</a> AP Exam Score Distributions</p>
<p>This question really "distinguished" those who received higher scores O_O</p>
<p>So here's the question:</p>
<p>(c) Use the assumptions below to answer the questions that follow. For each calculation, show all work.
-The biomass of the forest increases at an annual rate of 2.7 </p>