Which source would be most reliable for researching the most effective types of physical activity for high school
students?
O a blog post from a high school student who discusses his after-school activities with his friends and posts humorous
photos
an online article written by a personal trainer who is looking for new clients and who posts about client success
stories
an article from a university that uses advanced statistics to determine the total calorie loss for 10 different physical
activities
an article in an online exercise magazine written by a parent who is concerned about her child's obsession with video
games.
Please put just the answer letter so that it makes it shorter and understanding.