Which source would be most reliable for researching the most effective types of physical activity for high school students?
A
a blog post from a high school student who discusses his after-school activities with his friends and posts humorous photosB
an article from a university that uses advanced statistics to determine the total calorie loss for 10 different physical activitiesC
an article in an online exercise magazine written by a parent who is concerned about her child’s obsession with video gamesD
an online article written by a personal trainer who is looking for new clients and who posts about client success stories