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.
Exam Overview. AP U.S. HISTORY EXAM: 3 HOURS 15 MINUTES. The AP Exam questions measure studentsâ knowledge of U.S. history and their ability to think historically. Questions are based on key and supporting concepts, course themes, and historical thinking skills.