Hi guys today will probably be the last day of school for me and i won't be able to talk or help you guys because i won't be doing online school anymore or at all. So i am so sorry for everyone that will need my help. I don't know if i will use this at school but by that time i would be in 8th grade so probably not. Talk to you when i can! :)

2. evaluate how each of the following affects your personal physical fitness and dietary practices. (3 points: 0.5 points for each) your school your community your family and culture your friends any media and advertising you see your emotions

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.