shari is taking notes in preparation for her oral presentation on the impacts of excessive homework on high school students. she finds a study that shows that having less homework would allow students to engage in other enriching activities and spend more time bonding with family and friends.  how could this information fit into her presentation? a. it describes a negative effect of the solution. b. it shows a negative effect of the problem. c. it shows a positive effect of the solution. d. it describes an overview of the problem.