The AD (aggregate demand) curve is defined by the ISâLM equilibrium income at different potential price levels. The downward sloping AD curve is derived from the IS/LM model.
Who is considered a junior in college? A full college schedule requires 15 credit hours per semester, 30 credits per scholastic year: thus a sophomore would have earned 60 credits and a student carrying credit hours in excess of 60 credit hours would be conisdered a junior in college. Mohamed Elhegery.
Your high school may require a set number but colleges do not. Instead you should focus on consistency and longevity in your volunteering. Two hours a week, every week for 3 years is much more impressive than 300 hours in the summer before senior year.