Diet. Ruffed Grouse forage on the ground and in shrubs and trees. They are omnivores, although they feed mostly on plant material. In the winter, they eat the buds of deciduous trees, especially in areas where it snows.
Advanced Placement and International Baccalaureate courses are the most challenging assignments in most U.S. high schools. The AP exams, written and graded by outside experts including college faculty, are usually three hours long and contain several essay questions. They are much tougher than typical high school course finals.
Okay, so the fact that scores come out online saves some time, but why does it take them two months to grade AP exams when you can get your ACT and SAT scores after just a few weeks? The reason is that it takes a long time to grade the free response.